Term
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Definition
| clear mucus membrance that covers the white of the eye |
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Term
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Definition
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Term
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Definition
| holes in the medial eye that lead in the lacrimal canal |
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Term
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Definition
| tubes that lead from the lacrimal punctum to the lacrimal sac |
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Term
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Definition
| sac that collects the tears and deposits them into the nasolacrimal duct |
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Term
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Definition
| tube that runs from the lacrimal sac to the nasal cavity to drain tears |
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Term
three layers of eye
(superficial to deep)
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Definition
fibrous tunic
vascular tunic
sensory tunic
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Term
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Definition
white of the eye
shapes and protects eyeball, givese muscles something to anchor to |
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Term
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Definition
crystal clear window of the eye that lets light in
begins the bending process of light |
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Term
| what is in the fibrous tunic? |
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Definition
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Term
| what is in the vascular tunic? |
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Definition
| choroid, ciliary body, iris, pupil |
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Term
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Definition
| layer under sclera, provides nutrition to all eye tunics |
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Term
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Definition
anterior portion of choroid
ring of tissue
produces aqueous fluid |
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Term
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Definition
colored part of the eye
controls pupil size |
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Term
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Definition
| round central opening that allows light to enter the eye |
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Term
| what is in the sensory tunic? |
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Definition
| pigmented layer, neural layer, fovea centralis, optic nerve |
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Term
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Definition
| thick layer of retina that absorrbs light and prevents it from scattering |
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Term
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Definition
| contains millions of photoreceptor cells taht transduce light energy |
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Term
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Definition
| spot of eye most dense with cones |
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Term
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Definition
| moves signals from eye to brain |
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Term
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Definition
nerve cells that respong to stimuli
two kinds:
rods
cones |
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Term
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Definition
| dim light and black and white |
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Term
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Definition
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Term
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Definition
| blind spot, lacks photoreceptors |
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Term
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Definition
| clear liquid between cornea and lens |
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Term
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Definition
| gel like liquid in posteriod section of eye |
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Term
| know the 6 major eye muscles |
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Definition
| look in book for picture! |
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Term
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Definition
| elastic cartilage of outer ear |
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Term
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Definition
| short tube that leads from auricle to eardrum |
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Term
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Definition
eardrum
boundary between external and middle ear
transfers sound to ossicles |
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Term
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Definition
cavity of middle ear
directly behind tympanic membrane |
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Term
| what are the three ossicles? |
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Definition
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Term
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Definition
| tensor tympani and stapedius |
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Term
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Definition
directly behind stapes
transfers sound to inner ear
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Term
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Definition
small hole
acts as pressure release from inner ear |
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Term
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Definition
| connects middle ear to nasopharynx |
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Term
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Definition
| channels running through the temporal bone |
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Term
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Definition
| CSF like fluid in bony labyrinth |
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Term
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Definition
| continuous series of membranous sacs within the bony labyrinth |
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Term
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Definition
| fluid within the membranous labyrinth |
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Term
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Definition
snail looking thing
turns mechanical energy to neural impulses |
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Term
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Definition
| duct superior to the cochlear duct |
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Term
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Definition
the cochlear duct
contains the organ of corti |
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Term
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Definition
duct inferior to the cochlear duct
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Term
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Definition
on top of basilar membrane
contains hair cells |
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Term
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Definition
| central egg shaped cavity in bony labyrinth |
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Term
| 3 things contained in vestibule |
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Definition
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Term
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Definition
| part of the membranous labyrinth that leads into the cochlea |
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Term
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Definition
| part of the membranous labyrinth that leads into the semicircular canals |
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Term
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Definition
| equilibrium receptors in the saccule and utricle that respond to the pull of gravity and report on changes of head position |
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Term
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Definition
oval shaped ducts that respond to the angular rotation of the head
identify anterior,posterior, and lateral |
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Term
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Definition
VIII
branches from semicircular canals and runs through the cochlea |
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Term
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Definition
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