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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 |