Term
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Definition
| three fluid-filled tubes in different planes |
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Term
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Definition
| fluid-filled sacs that respond to static head positions |
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Term
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Definition
| enlarged region of hair cells in the canal |
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Definition
| bony crystals on a membrane in the vestibular system that increase receptor sensitivity to movement |
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Term
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Definition
| What the semicircular canals are sensitive to: |
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Term
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Definition
| what the Utricle and Saccule are sensitive to |
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Term
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Definition
| the vestibular system evolved from this, which is found in fish |
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Term
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Definition
| hairs embedded in columns that emerge from the receptors |
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Term
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Definition
where nerve fibers from the vestibular system synapse in the brainstem
(some nerves go directly to the cerebellum) |
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Term
| Vestibulo-ocular Reflex (VOR) |
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Definition
| allows you to gaze at a fixed point while the head moves |
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Term
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Definition
| the feeling of nausea caused by passive movements |
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Term
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Definition
| states that motion sickness is due to conflict in visual and vestibular information |
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Term
1. salty
2. sour
3. sweet
4. bitter
5. umami |
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Definition
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Term
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Definition
| taste receptor cells on the tongue; have 50-150 taste buds each |
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Term
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Definition
| What taste cells extend cilia into |
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Term
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Definition
| What cilia in the taste pore contact |
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Term
1. Circumvallate papillae
2. Foliate papillae
3. Fungiform papillae (few receptor cells) |
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Definition
| 3 kinds of papillae that are distributed on the tongue |
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Term
Na+ ions are transported across taste cell membranes
(a TRPV-1 receptor variant increases sensitivity to Na+) |
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Definition
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Term
| All acids release H+ ions. Cells use the PKD2L1 ion channel (The same receptor detects carbonation) |
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Definition
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Term
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Definition
| families of G-protein coupled receptors |
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Term
| detected by a heterodimer of two T1R receptors - T1R2 and T1R3 (cats lack T1R2) |
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Definition
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Term
detected by T2R receptors (about 30 subtypes)
- each bitter taste cell produces most of the bitter receptors, but it's not always able to distinguish between different bitter tastes |
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Definition
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Term
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Definition
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Term
detected by:
1. a metabotropic glutamate receptor - Monosodium Glutamate (MSG) stimulates the
receptor
2. a heterodimer of the T1R1 and T1R3 |
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Definition
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Term
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Definition
system of taste
- extends from the taste receptors to the cortex |
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Term
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Definition
| says tastes are based on patterns of action potentials |
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Term
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Definition
| the inability to smell (odor blindness) |
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Term
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Definition
| receptor neurons in the nose; where the sense of smell starts |
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Term
1. Receptor Neurons
2. Supporting Cells
3. Basal Cells |
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Definition
| 3 types of cells in the epithelium |
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Term
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Definition
| What extends from the receptor cell to the mucosal surface |
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Term
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Definition
| emerge from the dendritic knob |
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Term
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Definition
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Term
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Definition
| Extends from the other end of the receptor cell to the olfactory bulb |
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Term
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Definition
| curved surfaces in the nasal cavity that direct air flow |
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Term
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Definition
| The protein that is activated when the oderant interacts with receptors on the cilia and dendritic knob; triggers the production of second messengers |
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Term
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Definition
| Where olfactory axons end |
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Term
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Definition
| spherical units containing mitral cells |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| where receptors of the vomeronasal system are found; near the olfactory epithelium |
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Term
| Trace Amine-associated Receptors (TAARs) |
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Definition
| a new class of olfactory receptors that respond to pheromones |
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