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BIOL1152L lab practical 1
Eye/Ear; Endocrine System; Heart
12
Anatomy
Undergraduate 3
09/20/2011

Additional Anatomy Flashcards

 


 

Cards

Term
Sclera
Definition
white of the eye; Function – gives shape to the eyeball.
Term
Optic nerve
Definition
little button on the back of the sheep eye. Function: relays sensory info to the brain.
Term
Extrinsic muscles
Definition
brown; Function: move the eyeball laterally, medially, superiorly, and inferiorly.
Term
Cornea
Definition
transparent part on front (turned greyish); Function – admits and refracts (bends) light.
Term
Pupil
Definition
opening on the front of eyeball in the iris. Appears black because as you look through it, you see the heavily pigmented choroid. Function: allows light to enter the eye.
Term
Vitreous humor
Definition
clear; jelly like gooey stuff. Function: Gives shape to eyeball + keeps the retina attached to the choroid.
Term
Lens
Definition
pearl (hard, marble like); Function: helps focus light on the retina to facilitate clear vision.
Term
Iris
Definition
in the middle where there’s no ridges. Function: regulates the amount of light entering the eye.
Term
Ciliary body
Definition
lines around pupil. Function: secretes aqueous humor. Alters the shape of the lens for near or far vision.
Term
Choroid
Definition
Function:Provides blood supply, absorbs scattered light.
Term
Tapetum lucidum
Definition
pretty blue (aqua) on the back of the eyeball. Used for reflection. Function: allows animals to see in low light.
Term
Retina
Definition
yellow membrane (thin, on back of eyeball on top of tapetum lucidum). Function: receives light and converts to nerve impulses.
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