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A&P CH10 key terms
A&P CH10 Somatic and Special Senses
| Question | Answer |
|---|---|
| accomodation | adjustment of lens of eye for close or distant vision |
| ampulla | an expansion at the end of each semicircular canal that contains a crista ampullaris |
| chemoreceptor | a receptor that is stimulated by the binding of certain chemicals |
| choroid | middle, vascular layer of the eye |
| cochlea | coiled tube in the inner ear |
| cornea | transparent anterior portion of the outer layer of the eye wall |
| dynamic equilibrium | maintenance of balance when the head and body are suddenly moved or rotated |
| iris | colored, muscular part of the eye |
| labyrinth | the system of connecting tubes within the inner ear, including the cochlea, vestibule, and semicircular canals |
| macula lutea | a yellowish depression in the retina of the eye that is associated with acute vision |
| mechanoreceptor | a sensory receptor that senses mechanical stimulation, such as changes in pressure or tension |
| pain receptor | sensory nerve ending associated with the feeling of pain |
| photoreceptor | a sensory receptor sensitive to light energy; rods and cones |
| projection | process by which the brain causes a sensation to seem to come from the region of the body being stimulated |
| referred pain | pain that feels as if it is originating from a part other than the site being stimulated |
| refraction | a bending of light as it passes between media of different densities |
| retina | inner layer of the eye wall that contains the visual receptors |
| rhodopsin | light-sensitive pigment in the rods of the retina; visual purple |
| sclera | tough, outer protective layer of the eye |
| sensory adaptation | sensory receptors becoming less responsive after constant repeated stimulation |
| static equilibrium | the maintenance of balance when the head and body are motionless |
| thermoreceptor | a sensory receptor sensitive to temperature changes; heat and cold receptors |
Created by:
djhockett5
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