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Chapter 13 Sensory


Area of a neuron that detects specific stimulus receptor
detects light photoreceptors
detects pain nociceptors
detects chemical chemoreceptor
detects temperature thermoreceptors
detects movement mechanoreceptors
5 general senses pain, touch, pressure, temperature, and proprioception
stimulated by tissue damage nociceptors
Do nociceptors adapt? no
aka touch receptors tactile receptors
Do thermoreceptors adapt? yes
sense of orientation/position proprioception
5 special senses smell, taste, sight, hearing, and balance
aka sense of smell olfaction
aka sense of taste gustation
4 basic taste sensations sweet, salty, sour, bitter
structure that secretes tears lacrimal gland
colored part of the eye iris
posterior cavity of eyeball is filled with this vitreous humor
anterior cavity of eyeball is filled with this aqueous humor
outer layer of the eyeball sclera
inner layer of the eyeball retina
where is the conjunctiva inside eyelid, over sclera, not cornea
gel substance that pushes the retina against the choroid layer vitreous humor
enzyme in tears that prevents infection lysozyme
eyelid doesn't raise, person appears sleepy ptosis of lid
moves eyeball extrinsic eye muscles
transparent covering of iris cornea
"hole" in the middle of iris that allows light to enter pupil
what happens to pupil in increased conditions constricts
what happens to pupil in decreased light conditions dilates
where are photoreceptors in the eyeball retina
bends (refracts) light to focus in eye lens
cloudy lens that blocks light cataract
parts of the external ear auricle (pinna) and external auditory canal
parts of the middle ear tympanic eardrum, malleus, incus, stapes, Eustachian tube
parts of the inner ear vestibule, semicircular canals, cochlea
connects inner to throat to equalize pressure Eustachian tube
aka tympanic membrane eardrum
part of ear where cerumen is secreted external auditory canal
inner ear parts important for balance vestibule and semicircular canals
what type of receptor detects sound mechanoreceptors
part of inner ear where mechanorecepteros are located cochlea
what is the ossicle tiny bone in middle ear(malleus, incus, stapes)
ossicle directly behind the tympanic membrane that receives vibrations from eardrum malleus
Created by: riverwolf