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medical term c
Haney Medterm C14-8
Question | Answer |
---|---|
what is the white portion of the eye called? | sclera |
what is the thin mucous membrane later that lines the anterior part of the eye? | conjunctive |
what is located at the upper outer edge of each eye? | lacrimal gland |
where do tears drain from the eye through? | lacrimal duct |
what is located along the edges of eyelids? | eyelashes |
what is the transparent, nonvascular layer covering the colored part of the eye? | cornea |
what does the vascular middle layer of the eye contain? | choroid |
what is the round opening in the center of the iris? | pupil |
how does the pupil control the amount of light entering? | contracting or dilating |
what is posterior to the iris? | lens |
what is on each side of the lens? | ciliary body |
radiating from the ciliary body are numerous straight fibrils called what? | suspensory ligaments |
what is the ability of the lens to clearly focus on a object at various distances? | accommodation |
what is the third inner most layer of the eye? | retina |
where is the highest concentration of cones? | fovea centralis |
what nerve cells are highly specialized for stimulation by light rays? | rods and cones |
where are the impulses of retina transmitted through? | optic nerve |
what is the only part of retina that is unsensitive to light? | optic disc |
what is located in the front of the lens? | anterior chamber |
what is located behind the lens? | posterior chamber |
what clear watery fluid is the chambers filled with? | aqueous humor |
what fills the lens posterior in the posterior cavity? | vitreous humor |
what can result if an injury to the eye causes escape of the vitreous humor? | blindness |
since optic disc contains no rods or cones, what else can it be known as? | blind spot |
what is continuous with the skin and covers the eyeball? | eyelids |