structure and function Flashcards
It transmits visual stimuli to the brain for interpretation and function as the organ of vision.
eye
located in the eye orbit, a round, bony hollow formed by several different bones of the skull.
eyeball
in the ____ a cushion of fats surrounds the eye.
orbit
these protects the eyeball
bony orbit and fat cushion
are two movable structures composed by skin
eyelids
what are the two types of eyelids.
striated and smooth
their purpose is to protect the EU from foreign bodies and limit the amount of light following the eye
striated and smooth eyelids
the upper eyelid is larger, more mobile and contains ___ made up of connective tissue
tarsal plates
tarsal plates contain the ___ which secrete and oily substance that lubricate the eyelid
meibomian glands
they serve to distribute tears that lubricate the surface of the eye.
striated and smooth eyelids
the eyelids joined at two points, what are these?
lateral(outer) canthus and medial(inner) canthus
the medial canthus contains the ___ two small openings that allows drainage of tears into the lacrimal system
puncta
a small fleshy mass that contains sebaceous gland
caruncle
the white space between the open eyelid is called what?
palpebral fissure
the point where the sclera meets the cornea
corneal limbus
are projections of stiff hair curving outward along the margins of the eyelids that filter dust and dirt from air entering the eye.
eyelashes
is a thin transparent, cutaneous membrane.
conjunctiva