Overview. The olfactory system represents one of the oldest sensory modalities in the phylogenetic history of mammals. (See the image below.) As a chemical sensor, the olfactory system detects food and influences social and sexual behavior. The specialized olfactory epithelial cells characterize the only group of neurons capable of …The mammalian olfactory system uses hundreds of specialized G-protein-coupled olfactory receptors (ORs) to discriminate a nearly unlimited number of odorants. Cognate agonists of most ORs have not ...The peripheral olfactory system of most mammalian species involves two major olfactory organs: the olfactory mucosa (OM) located at the top of the nasal cavity and the vomeronasal organ (VNO) sitting at its base (Buck, 2012).The anatomical structure of the olfactory system can vary significantly between species, with some mammalian lineages (e.g., catarrhine monkeys, apes, and humans) lacking ...An olfactory receptor, which is a dendrite of a specialized neuron, responds when it binds certain molecules inhaled from the environment by sending impulses directly to the olfactory bulb of the brain. Humans have about 12 million olfactory receptors, distributed among hundreds of different receptor types that respond to different odors.Study with Quizlet and memorize flashcards containing terms like In daylight the shortest wavelengths of light in the visible spectrum will look red., Nerve hearing impairment due to problems in the auditory cortex of the brain has been easily corrected with hearing aids., Olfactory receptor cells are located in the back of the throat. and more.The human olfactory mucosa not only harbors the olfactory receptor cells critical for initiating smell perception, but a range of cell types essential for their maintenance and function (DeMaria and Ngai, 2010).Therefore, knowledge of the general organization of the olfactory mucosa is a basic requirement for understanding the olfactory system in general.The olfactory receptor neurons are located in a small region within the superior nasal cavity (Figure 14.4). This region is referred to as the olfactory epithelium and contains bipolar sensory neurons. Each olfactory sensory neuron has dendrites that extend from the apical surface of the epithelium into the mucus lining the cavity. As airborne ... Here's the nose, here's the mouth, and here's the chin. There is a nostril and this nostril basically is an opening to allow air and various odor molecules to come into the nose. There is actually a region that you can't see. This region is known as your olfactory epithelium. This region is the olfactory epithelium.Figure 1. Molecular, anatomical, and developmental properties of the peripheral olfactory system in D. melanogaster.(A) Schematic of the two main insect olfactory receptor families. Odorant receptors (Ors) are seven transmembrane domain proteins that form heteromeric odor-gated ion channels composed of subunits of a ligand-specific ("tuning") receptor and a co-receptor, Orco.Olfactory receptor, protein capable of binding odour molecules that plays a central role in the sense of smell (olfaction). These receptors are common to arthropods, terrestrial vertebrates, fish, and other animals. In terrestrial vertebrates, including humans, the receptors are located on.Detailed Solution. Olfactory receptors are located in our nose. The olfactory system allows the human body to detect and process smell. These are also known as smell receptors and are capable of binding odour molecules. They belong to the G-protein-coupled receptor family.Introduction. Olfaction, or the sense of smell, is essential for the survival of most if not all mammals. It is used for foraging, communicating with conspecifics, and recognizing predators ().Diverse odor molecules in the environment are detected by olfactory receptors (ORs) expressed in the olfactory epithelium of the nasal cavity (Buck and Axel 1991; Nei et al. 2008; Touhara and Vosshall ...All of the following statements are correct about the olfactory receptor neurons EXCEPT: A. These specialized neurons are replaced about every 5- 8 weeks. B. Each neuron contains receptors which are specific for a single odorant molecule. C. The axon of each olfactory neuron synapses in only one glomerulus in the olfactory bulb.7 eBook References Correctly identify the following anatomical features of the olfactory receptors. Cribriform plate of ethmoid bone OOOOO Supporting cells Olfactory hairs Olfactory cell Olfactory gland Basal cell Mucus Cribriform plate of ethmoid bone ROSE PANDAR jouduć 00 BERTRANTO Airflow 7 eBook References Correctly identify the following ... Slow and continuous changes in odor concentration were used as a possible easy method for measuring the effect of the instantaneous concentration and the rate of concentration change on the activity of the olfactory receptor neurons (ORNs) of basiconic sensilla on the cockroach antennae. During oscillating concentration changes, impulse frequency increased with rising instantaneous ...Olfactory receptors in macrophages are a rich source of untapped opportunity for modulating inflammation. It is not known which of the many ORs expressed in macrophages promote or modulate inflammation. Progress in this area also requires deorphanizing more ORs and determining the sources of their ligands. Keywords: …Study with Quizlet and memorize flashcards containing terms like The labels list segments of the visual pathway. Place them in the correct order., Match the receptor type with the environmental change that stimulates it., Each label lists a characteristic of a receptor type or a stimulus to which a receptor responds. Drop each label into its appropriate box. and more.II.A Olfactory Receptors. During the past 10 years considerable progress regarding the initial events of olfactory transduction has occurred, beginning with the aforementioned identification of the gene family that encodes olfactory receptors. Despite the fact that a given receptor cell seems to express only one type of receptor derived from a ...Olfactory receptors (ORs) that bind odorous ligands are the largest family of G-protein-coupled receptors. In the olfactory epithelium, approximately 400 and 1,100 members are expressed in humans and mice, respectively. Growing evidence suggests the extranasal functions of ORs. Here, we review OR ex …What is olfactory epithelium? The specialized epithelium containing olfactory receptors. Where is olfactory epithelium located? The roof of the nasal cavity. What two types of cells does olfactory epithelium contain? Supporting cells and basal stem cells. Where does the original signal begin in the nose? Olfactory cilia.You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: A. Labeling. 1. Label the Anatomy of Gustatory receptors. 2. Label the Anatomy of Olfactory receptors. B. MATCHING Match each term in the left colum with its correct description from the right column. A. Labeling.Olfactory receptor are not bulb like structures at the tip of the frontal lobe. Olfactory receptors are cells located in the mucous membrane at the top of the nose. Small hair like structures located in these receptors is the site for odor molecules dissolve in the mucous.The olfactory epithelium is a collection of specialized olfactory receptors in the back of the nasal cavity. An olfactory receptor, which is a dendrite of a specialized neuron, responds when it binds certain molecules inhaled from the environment by sending impulses directly to the olfactory bulb (part of C.N. I olfactory nerve) of the brain. Final answer. Check my work Correctly identify the following structures of the sectioned cochlea, Cochlear duct Scala tympani Vestibular membrane Spiral ganglion Basilar membrane Scala vestibuli Added 202 2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 20218 2021 at 2021 at < Prev 30 of 33 Hii : Next >.This is a part of the brain, so it's It's not a good tongue. It's not in the water. So it's in the nasal cavity or is in the brainstem. Well, this is an interesting, uh, structure because it is found right in the forebrain. It is right above the nasal cavity feeding into the nasal cavity to get direct innovation from the receptors there. I mean ...Here's the nose, here's the mouth, and here's the chin. There is a nostril and this nostril basically is an opening to allow air and various odor molecules to come into the nose. There is actually a region that you can't see. This region is known as your olfactory epithelium. This region is the olfactory epithelium.Cerebellum - molecular, Purkinje, granular layers. Peripheral nerves - epineurium, perineurium, endoneurium. This article will explain the histology of neurons, providing you with information about their structure, types, and clinical relevance. It will also cover briefly the histological layers of the central and peripheral nervous systems.Following methimazole administration, ... Olfactory receptor neurons within the olfactory neuroepithelium serve the transduction of odorant information and provide the first step in the olfactory pathway (from epithelium to olfactory bulb). Olfactory receptor neurons occupy an unusually traumatic environment for a neuron; by being positioned within the …The anatomical course of the olfactory nerve describes the transmission of special sensory information from the nasal epithelium to the primary olfactory cortex of the brain. Nasal Epithelium. The sense of smell is detected by olfactory receptors located within the nasal epithelium. Their axons (fila olfactoria) assemble into small bundles of ...1. The three divisions of trigeminal nerve. 2. oculomotor, trochlear and abducens. 3. optic, oculomotor and trochlear. 4. vestibulocochlear, glossopharyngeal, and vagus. 2. oculomotor, trochlear and abducens. You enter a patient's room and find them on the floor unconscious. You immediately shine a light into their eyes and tell your colleague ...Study with Quizlet and memorize flashcards containing terms like olfaction results from the stimulation of chemoreceptors, gustatory signals from the tongue through the facial and glossopharyngeal nerves, the ossicles belong to the middle ear and more.The olfactory nerve is the first cranial nerve (CN I). It is a sensory nerve that functions for the sense of smell. Olfaction is phylogenetically referred to as the oldest of the senses. It is carried out through special visceral afferent nerve. It is a cranial nerve with certain unique features such as lacking a precortical connection to the thalamus.[1] [2]Below is the best information and knowledge about correctly label the following anatomical features of the eye compiled and compiled by the interconex.edu.vn team, ... correctly identify the following anatomical features of the olfactory receptors., correctly label the anatomical elements of a taste bud., ...The odor-elicited responses of olfactory receptor neurons consist of a discrete set of four spike pattern motifs, each with distinct adaptation properties, together amplifying distinctions between similar and temporally complex chemical inputs such as odor plumes. ... The goal of the classification task is to correctly identify all plume ...Question: JU U S LUU JY SLG! Saved Correctly label the following anatomical features of dystrophin. Basal lamina Basal lamina Thick filament Endomysium Linking proteins Sarcolemma Sarcolemma Dystrophin Dystrophin Thin filament Thin filament Sarcoplasmic reticulum Thick filament Linking proteins Endomysium KO Z disc Reset Zoom. There are 3 steps ...Figure 4. Schematic of the olfactory anatomy of the insect brain. (a) Frontal view of the Drosophila brain (the same orientation as the head in Figure 2a).Olfactory information arrives from the antenna, with a minor afferent from the maxillary palp taking a different route through the subesophageal ganglion (SOG), and terminates in the antennal lobe (AL) glomeruli.In a new study, Ruta and her colleagues offer answers to the decades-old question of odor recognition by providing the first-ever molecular views of an olfactory receptor at work. The findings, published in Nature, reveal that olfactory receptors indeed follow a logic rarely seen in other receptors of the nervous system.Correctly identify the following anatomical features of the olfactory receptors. Correctly identify the following anatomical landmarks for the olfactory projection pathways in the brain. Classify the following structures into the region of the ear in which they are found. Correctly label the various structures of the membranous labyrinth of the earOlfaction represents an ancient, evolutionarily critical physiologic system. In humans, chemosensation mediates safety, nutrition, sensation of pleasure, and general well-being. Factors that affect human olfaction included structural aspects of the nasal cavity that can modulate airflow and therefore odorant access to the olfactory cleft, and ...Question: A receptor is an axon that carries sensory impulses to the spinal cord’s dorsal horn of gray matter. (true or false) Answer: False. Question: Which of the following is not a way that receptors are classified? Answer: -By stimulus origin-By sensory projection**-By stimulus modality-By receptor distribution1. The three divisions of trigeminal nerve. 2. oculomotor, trochlear and abducens. 3. optic, oculomotor and trochlear. 4. vestibulocochlear, glossopharyngeal, and vagus. 2. oculomotor, trochlear and abducens. You enter a patient's room and find them on the floor unconscious. You immediately shine a light into their eyes and tell your colleague ...It starts with specialized nerve receptors located on hairlike cilia in the epithelium at the top of the nasal cavity. When we sniff or inhale through the nose, some chemicals in the air bind to these receptors. That triggers a signal that travels up a nerve fiber, through the epithelium and the skull bone above, to the olfactory bulbs. The ...Overview. The olfactory system represents one of the oldest sensory modalities in the phylogenetic history of mammals. (See the image below.) As a chemical sensor, the olfactory system detects food and influences social and sexual behavior. The specialized olfactory epithelial cells characterize the only group of neurons capable of …This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Correctly identify the following anatomical features of the olfactory receptors. Supporting colls Olfactory cell Olfactory gland Basal cell Tufted cell Mitral cell Glomerulus.Olfactory memory refers to the recollection of odors.Studies have found various characteristics of common memories of odor memory including persistence and high resistance to interference. Explicit memory is typically the form focused on in the studies of olfactory memory, though implicit forms of memory certainly supply distinct contributions to the understanding of odors and memories of them.Comparative anatomy. In the lancelet there is a ciliated pit above the anterior end of the central nervous system, which is probably a rudiment of an unpaired olfactory organ.In lampreys the pit is at first ventral but later becomes dorsal and shares a common opening with the pituitary invagination. It furthermore becomes divided internally into two lateral halves.Step 2. The chemicals bind to G-protein receptors on the cilia, causing a cascade of events to open ion gates to open. This makes the cell depolarize. Step 3. If the stimulus is strong enough, an AP will fire in the sensory neurons (sensory neurons are located in the olfactory epithelium). The sensory neuron will synapse onto the olfactory bulb.The flap of skin under a turkey’s chin may be known as a dewlap or a wattle; though the wattle is more evident in male turkeys, both male and females have this anatomical feature. This flap of skin stretches from the turkey’s neck to a poin...projections that form inverted V on back of tongue. vallate papillae. where on the tongue is most sensitive to each type of four taste sensations. tip- sweet, sides- salty, back- bitter. what other sensations contribute to the sensation of taste. touch, temp, pressure and olfactory.Olfaction represents an ancient, evolutionarily critical physiologic system. In humans, chemosensation mediates safety, nutrition, sensation of pleasure, and general well-being. Factors that affect human olfaction included structural aspects of the nasal cavity that can modulate airflow and therefore odorant access to the olfactory cleft, and ...Check all that apply. -Rods are responsible for night vision. -Cones are associated with color vision. -Cones function in brighter light. Which of the following statements are true regarding gustation? Check all that apply. -Taste is chemical sense. -When gustatory hairs are stimulated, a receptor potential is created.This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: General Senses - Homework Correctly identify the following anatomical features of the olfactory receptors. Tufted cell Olfactory bulb Olfactory nerve fasciclo Olfactory tract Glomerulus Mitral cell Granule cell ...Olfaction represents an ancient, evolutionarily critical physiologic system. In humans, chemosensation mediates safety, nutrition, sensation of pleasure, and general well-being. Factors that affect human olfaction included structural aspects of the nasal cavity that can modulate airflow and therefore odorant access to the olfactory cleft, and ...Figure 14.4 The Olfactory System (a) The olfactory system begins in the peripheral structures of the nasal cavity. (b) The olfactory receptor neurons are within the olfactory epithelium. (c) Axons of the olfactory receptor neurons project through the cribriform plate of the ethmoid bone and synapse with the neurons of the olfactory bulb (tissue ...Instagram is experimenting with another new feature that would allow users to post disappearing content. The feature, called Notes, allows users to post quick notes, like announcements, to their “Close Friends” circle or to followers who al...Olfactory nerve- olfactory cells are bipolar neurons which congregate to form the olfactory nerve. Receptors are located within the mucosa of the nasal cavity. Relays information to the brain. Identify areas in the brain that receive sensory input from the olfactory chemoreceptors. Describe the structure and function of the papillae of the tongue.INTRODUCTION. Olfaction is a complex, most primeval, volatile, and in comparison, to other senses, less explored multi-sensory mechanism which influences our innate response ().It is highly dynamic, deceptive and complex, capable of detecting and distinguishing between a wide range of small volatile, lighter, hydrophobic compounds (odorants) with diverse chemical and structural properties ...The olfactory system is responsible for our sense of smell. This sense, also known as olfaction, is one of our five main senses and involves the detection and identification of molecules in the air. Once detected by sensory organs, nerve signals are sent to the brain where the signals are processed. Our sense of smell is closely linked our ...Study with Quizlet and memorize flashcards containing terms like A receptor is an axon that carries sensory impulses to the spinal cord's dorsal horn of gray matter. (true or false), Which of the following is not a way that receptors are classified?, Which of the following are examples of the kind of information obtained from sensory receptors? Check all that apply. and more.Anatomy of the nasal mucosa. The nasal mucosa, also called respiratory mucosa, lines the entire nasal cavity, from the nostrils (the external openings of the respiratory system) to the pharynx (the uppermost section of the throat).The external skin of the nose connects to the nasal mucosa in the nasal vestibule. A dynamic layer of mucus overlies the nasal epithelium (the outermost layer of ...All of the following statements are correct about the olfactory receptor neurons EXCEPT: A. These specialized neurons are replaced about every 5- 8 weeks. B. Each neuron contains receptors which are specific for a single odorant molecule. C. The axon of each olfactory neuron synapses in only one glomerulus in the olfactory bulb.The mammalian olfactory system is composed of several subsystems. The mammalian olfactory system contains a number of distinct subsystems that can be differentiated based on a number of molecular, functional and anatomical criteria (Munger et al. 2009, Ma 2007, Breer et al. 2006).However, the most fundamental division is between the main and …You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Correctly label the following anatomical features of the semicircular canals. Crista ampullaris Sensory nerve fibers Supporting cells Endolymph Cupula Hair cells. Correctly label the following anatomical features of the semicircular canals.Equates to atrial systole (and beginning diastole) 5. Equates to ventricular systole (and beginning diastole) Correctly label the following anatomical features of the heart and thoracic cage. Study with Quizlet and memorize flashcards containing terms like Correctly label the internal anatomy of the heart, Correctly label the parts of a normal ...Detailed Solution. Olfactory receptors are located in our nose. The olfactory system allows the human body to detect and process smell. These are also known as smell receptors and are capable of binding odour molecules. They belong to the G-protein-coupled receptor family.2.Olfactory bulb- a spherical mass of tissue that includes several different kinds of nerve cells involved in smell. One olfactory bulb is located above each nasal cavity on the bottom side of the brain. 3. Olfactory tract- The piriform cortex, amygdala, and entorhinal cortex are just a few of the target brain areas that the olfactory tract ...The cholinergic system includes two classes of receptor: the nicotinic receptor and the muscarinic receptor. Both receptor types bind to ACh and cause changes in the target cell. The nicotinic receptor is a ligand-gated cation channel and the muscarinic receptor is a G protein-coupled receptor. The receptors are named for, and differentiated ...Olfactory receptors are present in the olfactory epithelium of the nasal roof. Each olfactory receptor is associated with an axon, which together forms the olfactory nerve. The olfactory nerve extends to the olfactory bulb in the brain and to the olfactory cortex, which is the part of the limbic system of the brain.Check all that apply. -Rods are responsible for night vision. -Cones are associated with color vision. -Cones function in brighter light. Which of the following statements are true regarding gustation? Check all that apply. -Taste is chemical sense. -When gustatory hairs are stimulated, a receptor potential is created. The olfactory epithelium of the nasal cavity contains olfactory receptors. These are used to identify different odors. Olfactory receptors can detect airborne scent molecules that enter the nasal cavity and bind to them. Olfactory receptor neurons deliver an impulse to the brain's olfactory system when olfactory receptors are activated.Study with Quizlet and memorize flashcards containing terms like Correctly label the following anatomical features of the surface of the brain., Correctly label the following anatomical features of the surface of the brain., Correctly label the following anatomical features of the surface of the brain. and more.Students Goodwin University Goodwin University. Chapter 16 assig. X G Google Chapter 16 assignment Saved Correctly identify the following anatomical features of the olfactory receptors. Granule cell points Mitral cell eBook Print Olfactory nerve fascicle References Olfactory bulb Tufted cell Olfactory tract These can inhibit mitral and tufted ...Study with Quizlet and memorize flashcards containing terms like Which of the following are responsible for producing new olfactory receptors?, Which of the following describes the correct sequence of events of an olfactory receptor reacting to an odorant?,, Which is not an event that occurs during the process of gustation?, and more.Figure 4. Schematic of the olfactory anatomy of the insect brain. (a) Frontal view of the Drosophila brain (the same orientation as the head in Figure 2a).Olfactory information arrives from the antenna, with a minor afferent from the maxillary palp taking a different route through the subesophageal ganglion (SOG), and terminates in the antennal lobe (AL) glomeruli.Study with Quizlet and memorize flashcards containing terms like In daylight the shortest wavelengths of light in the visible spectrum will look red., Nerve hearing impairment due to problems in the auditory cortex of the brain has been easily corrected with hearing aids., Olfactory receptor cells are located in the back of the throat. and more.What is olfactory epithelium? The specialized epithelium containing olfactory receptors. Where is olfactory epithelium located? The roof of the nasal cavity. What two types of cells does olfactory epithelium contain? Supporting cells and basal stem cells. Where does the original signal begin in the nose? Olfactory cilia.Correctly identify the following anatomical features of the olfactory receptors. Show transcribed image text. Expert Answer. Who are the experts?Terms in this set (112) Components of the respiratory mucous membrane include all of these EXCEPT: smooth muscle. The nasal cavity is divided into left and right portions by the. nasal septum. The largest unpaired laryngeal cartilage is the. thyroid cartilage. The trachea bifurcates at the level of the sternal angle (where the manubrium and ...Chapter 15 Quiz. b, f, e, d, a, c. Click the card to flip 👆. Correctly identify the following anatomical landmarks for the olfactory projection pathways in the brain (starting with the star, then move clockwise). a. fibers of olfactory nerve. b. olfactory cortex areas. c. nasal bone. d. frontal bone. e. olfactory bulb. Correctly identify the following anatomical features of the olfactory receptors. Correctly identify the following structures of the cochlea. What information does the brain use to determine the intensity of a stimulus? Check all that apply. none are checked.Like the heart, lungs, and stomach, the nervous system is made up of specialized cells. These include nerve cells (or neurons) and glial cells (or glia ). Neurons are the basic functional units of the nervous system, and they generate electrical signals called action potentials, which allow them to quickly transmit information over long distances. Study with Quizlet and memorize flashcards containing terms like Identify the structure that contains the preganglionic nerve fibers of the olfactory nerve. cribriform plate of ethmoid bone frontal sinus olfactory epithelium olfactory bulb, All of the following are true of olfactory pathways except which one? They project first to the occipital lobes and then to the thalamus. The limbic system ...To estimate the "olfactory ability" of extant Hyaenidae, we curated the olfactory receptor repertoire in the hyena genomes using established methodologies, as earlier described (Niimura 2013a ...6. Award: 10.00 points Problems? Adjust credit for all students. Correctly identify the following anatomical features of the olfactory receptors. Explanation: Odorants are detected by receptor cells in a patch of epithelium, the olfactory mucosa, in the roof of the nasal cavity.2) Transparent part of outer (fibrous) layer of the eye. 3) The pigmented portion of the middle (vascular) layer of the eye. 4) The white of the eye. Transparent part of outer (fibrous) layer of the eye. Nervous System III: Senses Learn with flashcards, games, and more — for free.These molecules travel up your throat to the olfactory receptors in the back of your nose. Your olfactory mucosa plays a significant role in your ability to smell. This membrane is in the upper part of your nasal cavity and contains different types of cells: Olfactory receptor cells, which support two processes: dendritic process and central ...Overview. The olfactory system represents one of the oldest sensory modalities in the phylogenetic history of mammals. (See the image below.) As a chemical sensor, the olfactory system detects food and influences social and sexual behavior. The specialized olfactory epithelial cells characterize the only group of neurons capable of …1. The three divisions of trigeminal nerve. 2. oculomotor, trochlear and abducens. 3. optic, oculomotor and trochlear. 4. vestibulocochlear, glossopharyngeal, and vagus. 2. oculomotor, trochlear and abducens. You enter a patient's room and find them on the floor unconscious. You immediately shine a light into their eyes and tell your colleague ...olfactory receptor cells. neurons equipped with olfactory "hairs" contained in layer of mucus. olfacto, The following is a detailed discussion of major sensory receptor types. ... Micro, D) coat the olfactory epithelium with a pigmented mucus. E) group as olfactory bulbs., 3) Before an olfa, Chapter 15 Quiz. b, f, e, d, a, c. Click the card to flip 👆. Correctly identify the following anatomical landma, The Auditory Pathway. The auditory pathway conveys the special sense of hearing. Information tr, Sensory neurons form the afferent division of the PNS, and transmit impu, 7 eBook References Correctly identify the following anatomical features of the olfactory recep, II.A Olfactory Receptors. During the past 10 years consid, 6. Award: 10.00 points Problems? Adjust credit for all students., Muscles attach to bones directly or through tendons, Olfaction is the chemical sensation of gaseous odorants co, Explain in anatomical terms why a dog’s sense of smel, 2. The fluid first flows into the posterior chamber. 3. The , 10.1002/ca.22338. The olfactory system is an essentia, The most basally located cell bodies in the olfactory epith, The olfactory nerves (cranial nerve I) are unique in tha, Terms in this set (112) Components of the respirator, The human olfactory mucosa not only harbors the olfactory re.