Eye: Terms
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Created by:
msteinauer on March 10, 2012
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13 terms
Terms | Definitions |
|---|---|
 palpebrae (eyelids) | made of tarsal plates and conjunctiva |
| tarsal plates | connective tissue that gives eyelid its structure |
| conjunctiva | pink, wet, epithelial tissue on inside of eye |
| orbicularis oculi | muscle surrounding the eye |
| optic nerve | comes out posterior of eyeball |
| lens | posterior to iris. held by suspensory ligaments. changes shape. fat when looking close. flat when looking far. |
| lacrimal apparatus | produces and distributes tears |
| lacrimal gland (w/excretory ducts) | tears produced here. located superior and lateral to eyeball. tears go from lacrimal gland through excretory ducts |
| lacrimal puncta | tear ducts on medial side of eye. one on top and bottom. actual opening. (two black dots) |
| lacrimal canals (canaliculi) | tubes on sides of puncta |
| lacrimal sac | sac containing tears behind the puncta |
| nasolacrimal duct | where tears flow from the lacrimal sac |
| Flow of Tears | lacrimal gland -> excretory ducts -> across eye medially -> lacrimal puncta -> lacrimal canals -> lacrimal sac -> nasolacrimal duct -> nasopharynx and down throat |
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