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15 Terms
extrinsic eye muscles
allow voluntary movement and anchors eye in place
lacrimal gland
produces tears
sclera
provides shape and an anchor for eye muscles
cornea
protects the eye and refracts light
iris
chages diameter of pupil
pupil
regulates amount of light that enters eye
lens
focuses light on retina
ciliary body
allows to change shape of lens
suspensory ligaments
anchor and holds lens in place
vitreous humor
transmits light and supports the posterior surface
retina
contains photoreceptors, rods, and cones
optic disc
blind spot
macula lutea/fovea centralis
high cone density; generates sharp-colored images
choroid coat
provides blood to eye and prevents light from scattering
optic nerve
sends visual info to brain
