the olfactory receptors are located in the quizlet?
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-the nose contains 10 million to 100 million receptors contained within a region called the olfactory epithelium. -occupies the superior part of the nasal cavity, covering the inferior surface of the cribriform plate and extending along the superior nasal concha.
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The nasal cavity functions to allow air to enter the respiratory system upon respiration. Structures within the cavity regulate the flow of air and particles it contains. The olfactory region of the nasal cavity regulates the sense of smell.
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Smell is a word that is used both for an odor as well as our sense of smell that results from olfactory receptors located in our brain. ... Scent is a word used to refer to a pleasing smell or fragrance. It is also used to refer to bottles of fragrances available in the market.
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Receptors. Receptors are groups of specialised cells. They detect a change in the environment (stimulus). In the nervous system this leads to an electrical impulse being made in response to the stimulus.
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The Chemical Senses Taste (gustation) and smell (olfaction) are called chemical senses because both have sensory receptors that respond to molecules in the food we eat or in the air we breathe. There is a pronounced interaction between our chemical senses.
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A receptor is a group, or cluster, of nerve cells that react to a particular stimulus and receive information. Sensory receptors make up the most familiar sense organs, such as the ears and eyes. These receptors can be classified according to the type of energy or stimulus to which they respond.
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Stimuli are signals that trigger the senses. Receptors detect the stimuli and neurons send the signals to the brain where they're interpreted. Each sense organ includes receptors that capture relevant stimuli for transmission to the brain. The receptors in the skin are mechanoreceptors and thermoreceptors.
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How are the olfactory receptors activated? The olfactory tracts transduce signals to the hypothalamus. Odorants dissolve in the mucus and bind to receptors. Mitral cells relay signals to the olfactory bulbs.
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Chemoreceptors are found in two major anatomical locations. They are? Located in large arteries, specifically, at the aortic body and carotid body.
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The initial event in odor perception is the detection of odorants by olfactory (odorant) receptors (ORs), which are located on olfactory sensory neurons in the olfactory epithelium of the nose (1–4). ORs are seven-transmembrane domain G protein-coupled receptors, which are encoded by a large multigene family (1, 5).
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The Sense of Smell. Smell depends on sensory receptors that respond to airborne chemicals. In humans, these chemoreceptors are located in the olfactory epithelium — a patch of tissue about the size of a postage stamp located high in the nasal cavity.
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Receptors are groups of specialised cells. They detect a change in the environment (stimulus). In the nervous system this leads to an electrical impulse being made in response to the stimulus. Sense organs contain groups of receptors that respond to specific stimuli.
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Olfactory receptor neurons (ORNs) are bipolar neurons that are activated when airborne molecules in inspired air bind to olfactory receptors (ORs) expressed on their cilia. The ORs belong to a G-protein-coupled receptor superfamily. The ORNs are located high within the nasal vault in the olfactory epithelium.
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Receptors. Receptors are groups of specialised cells. They detect a change in the environment (stimulus) and stimulate electrical impulses in response. Sense organs contain groups of receptors that respond to specific stimuli.
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The Gustatory receptor cells and nerves are found in the taste buds of fungiform, foliate, and circumvallate papillae located mainly on the tongue. The gustatory system recognizes four primary taste submodalities - sweet, sour, salty, and bitter.
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Odors in the Brain Once an odor molecule binds to a receptor, it initiates an electrical signal that travels from the sensory neurons to the olfactory bulb, a structure at the base of the forebrain that relays the signal to other brain areas for additional processing.
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- The eddy currents that are created then carry olfactory stimuli to the olfactory receptors in the nose, allowing us to smell. Warmed, humidified air passes from the nasal cavities through the internal nares into the pharynx, a structure shared by the respiratory and digestive systems.