optic part of retina

См. также в других словарях:

• Retina — The retina is the nerve layer that lines the back of the eye, senses light, and creates impulses that travel through the optic nerve to the brain. There is a small area, called the macula, in the retina that contains special light sensitive cells …   Medical dictionary

• part — A portion. SYN: pars [TA]. abdominal p. of aorta SYN: abdominal aorta. abdominal p. of esophagus [TA] the portion of the esophagus from where it passes through the diaphragm to the stomach. See …   Medical dictionary

• retina — /ret n euh, ret neuh/, n., pl. retinas, retinae /ret n ee /. Anat. the innermost coat of the posterior part of the eyeball that receives the image produced by the lens, is continuous with the optic nerve, and consists of several layers, one of… …   Universalium

• optic disc — noun the point where the optic nerve enters the retina; not sensitive to light • Syn: ↑blind spot, ↑optic disk • Hypernyms: ↑point • Part Holonyms: ↑retina * * * optic disc noun …   Useful english dictionary

• optic disk — noun the point where the optic nerve enters the retina; not sensitive to light • Syn: ↑blind spot, ↑optic disc • Hypernyms: ↑point • Part Holonyms: ↑retina …   Useful english dictionary

• Optic neuropathy — Classification and external resources ICD 10 H46 The optic nerve contains axons of nerve cells that emerge from the retina, leave the eye at the optic disc, and go to the visual cortex where input from the eye is processed into vision. There are… …   Wikipedia

• optic chiasma — n the X shaped partial decussation on the undersurface of the hypothalamus through which the optic nerves are continuous with the brain called also optic chiasm * * * the X shaped structure formed by the two optic nerves, which pass backwards… …   Medical dictionary

• Retina — Ret i*na, n. [NL., from L. rete a net. Cf. {Reticule}.] (Anat.) The delicate membrane by which the back part of the globe of the eye is lined, and in which the fibers of the optic nerve terminate. See {Eye}. [1913 Webster] Note: The fibers of the …   The Collaborative International Dictionary of English

• Retina — For the Retina display in the iPhone 4, see iPhone 4#Display. Retina Right human eye cross sectional view. Courtesy NIH National Eye Institute. Many animals hav …   Wikipedia

• Optic nerve — This article is about the anatomical structure. For the comic book series, see Optic Nerve (comic). For the album about David Wojnarowicz, see Optic Nerve (CD ROM). Nerve: Optic Nerve The left optic nerve and the optic tracts …   Wikipedia

• Optic nerve — The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina, the nerve layer that lines the back of the eye and senses light and creates impulses. These impulses are dispatched through the optic nerve… …   Medical dictionary