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bio 101 sensory syst

sensory system 101

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
Created by: lizard266