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Ocular A&P #5 Final
Terms Ocular A& P #5 Final Uvea, Retina. Optic Nerve
| Term | Definition |
|---|---|
| Iris Collarette | Thickest part of the iris |
| Iris Root | Thinnest part of the iris |
| Iris Crypts | Depressions on the iris surface |
| Iris Pigment Epithelium | On the posterior iris |
| Dilator Muscles | Causes dilation of the pupil |
| Peripheral Anterior Synechia | Adheres the iris to the cornea |
| Posterior Synechia | Adheres the iris to the lens |
| Iris Bombe | The bowing forward of the iris due to synechia |
| Iritis | Inflammation of the iris |
| Cyclitis | Inflammation of the ciliary body |
| Persistent Pupillary Membrane | Remnant of the hyaloid vessels |
| Transillumination | Red reflex seen through the iris (common with albinos) |
| Iridodialysis | Tear of the iris root |
| Iris Processes | Normal attachments between the iris and the trabecular meshwork |
| Anisocoria | Unequal pupils |
| Pars Plicata | The ciliary processes are located on this |
| Pars Planae | Flat part of the ciliary body |
| Pars Plicata (produces) | Aqueous produced here |
| Ora Serrata | Peripheral end of the ciliary body and the beginning of the retina |
| Hippus | Normal fine contractions of the pupil |
| Iridotomy | Hole in the iris-usually done by laser |
| Sphincter Muscle | Causes the iris to contract |
| Protein or Fibrin (cause) | Flare in the chamber |
| Cones (4) | Color receptors, Mainly in Macula, 4-6 Million, Iodopsin pigment |
| Rods (4) | Nighttime vision, Scotopic vision, 100 Million, Rhodopsin pigment |
| Anomalous Trichromat | One pigment type cone functions below normal |
| Ishihara | Color vision test |
| Fovea | Capillary free zone, Highest concentration of cones |
| Choriocapillaries | Blood nutrition to the outer retina and blood supply to fovea |
| Central Retinal Artery | Blood nutrition to the inner retina |
| Vortex Veins | Choroid is drained by these |
| Central Retinal Vein | Retina is drained by this |
| Cavernous sinus | Venous drainage goes to this |
| Papillitis | Inflammation of the papilla |
| Papilledema | Swelling due to increased intracranial pressure |
| Neuritis | Inflammation of a peripheral nerve or nerves, usually causing pain and loss of function. |
| Optic Cup | Is center of the nerve head and increases with glaucoma damage. |
| Optic Disc | Creates a physiological blind spot |
| Optic disc rim | Thins with glaucoma damage |
| Ciliary (choroid) circulation | Blood supply to the nerve head (disc) |
Created by:
Leequa
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