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bio 101 sensory syst
sensory system 101
| Question | Answer |
|---|---|
| adaptation | smell adapts |
| Part of General senses | Touch |
| What is found with highest concentration being in the skin? | free nerve endings:pain |
| Golgi tendon receptors | proprioception |
| olfaction(smell)chemoreceptors what do they assist in? | assists in the sense of taste. sensitive, easily adapts, can respond to chemicals dissolved in water |
| Taste 4 basics? | salty, sweet, bitter, sour |
| special senses | vision(photoreceptors) hearing(mechanoreceptors) balance/equilibrium(mechanoreceptors)(located vestibule and semicircular canals) |
| Sclera | white of eye |
| cornea | other transparent surface, infront of eye |
| iris | colored part of eye |
| conjuctiva | covers the sclera |
| choroid | prevents scatter of light |
| pupil | hole |
| retina | innermost layer w/receptor cells |
| rods, cones | rods used in dim light, cones see colors red green and blue |
| where is the highest concentration of cones? | fovea centralis |
| optic disc | blind spot |
| vitreous humor | the posterior cavity(chamber) behind the lens |
| auricle | (pinna outside part) flappy exterior of ear |
| tympanic membrane | ear drum |
| 3 bones of middle ear | malleus, incus, stapes (KNOW SEQUENCE) |
| stapes | attached to oval window(which is the border between middle and inner ear) |
| water fluid in the bony labyrinth | perilymph |
| endolymph | which is inside cochlea and semicircular canals |
| 3 main parts of the inner ear(spaces) | vestibule, semicircular canals, cochlea |
| vestibule | balance; receptor is cristae ampullares |
| semicircular canals | balance |
| cochlea | hearing;receptor is organ of corti |