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24 Cards in this Set
- Front
- Back
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what are the kinds of sensory receptors?
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mechanoreceptors
thermoreceptors chemoreceptors nociceptors |
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what are the 3 layers of the eye?
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fibrous tunic
vascular tunic neural tunic |
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what are the two structures of the fibrous tunic?
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sclera
cornea |
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what are the layers of the cornea?
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epithelium
bowman's capsule corneal stroma descemet's membrane corneal endothelium |
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what kind of epithelium does the cornea have?
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stratified squamous nonkeratinized epi
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what purpose do the microvilli serve in teh epithelium?
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trap moisture to prevent corneal dehydration on the anterior aspect of the cornea
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what is the purpose of the bowman's membrane in the cornea?
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provide form and strength
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what structure found in the corneal stroma is significant?
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canal of schlemm that drains aqueous humor from anterior chamber
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what ist he purpose of the canal of schlemm?
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drains aqueous humor from anterior chamber
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what type of collagen is found in the corneal stroma?
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type I
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what structures are found in the vascular tunic of hte eye?
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choroid
ciliary body iris |
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what is the function of the ciliary body?
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produces the aquous humor that flows into the anterior chamber
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what eye muscle is under parasympathetic control?
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sphincter pupillae muscle (inner)
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what eye muscle is under sympathetic control?
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dilator pupillae muscle (outer layer)
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what part of the eye lack nuclei and organelles when mature?
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lens
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what is the innermost of the 3 layers of the eye
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neural coat
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what does the vitreous body do?
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refractive gel cmposed of water, collagen, HA that fills the interior of the globe b/w the lens and retina
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which are more numerous, rods or cones?
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cones
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what are the 3 parts of the ear?
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external
midle internal |
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what is the vestibular organ responsible for?
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equilibrium
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waht is found in the membranous labyrinth
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endolymph
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what is found in the osseous labyrinth?
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perilymph
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what sits on the basalar membrane of the cochlear duct?
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organ of corti
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what cranial nerve is associated with the vestibular apparatus?
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CN VIII
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