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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 |