pigmented epithelium of iris

epithelium pigmentosum iridis.

Medical dictionary. 2011.

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  • iris pigmented epithelium — noun The black colored layer of the iris, located behind the iris. An incision was made around the ora serrata of each eye, and the anterior cornea, lens, capsule, and associated iris pigmented epithelium were removed …   Wiktionary

  • epithelium pigmentosum iridis — [TA] pigmented epithelium of iris: the anterior epithelium of the iris, situated just posterior to the stroma, that contains pigment cells …   Medical dictionary

  • Iris (anatomy) — Iris The iris is the blue area. The other structures visible are the pupil center and the white sclera surrounding the iris. The overlying cornea is pictured, but not visible, as it is transparent …   Wikipedia

  • Iris pigment epithelium — Anatomy The iris pigment epithelium (IPE) is a two cell thick layer of cuboidal cells lying behind the iris. Both layers are jet black due to the numerous large melanosomes which pack the cytoplasm of each cell. Towards the central axis, the IPE… …   Wikipedia

  • Iris — The iris is the circular, colored curtain of the eye. Its opening forms the pupil. The iris helps regulate the amount of light that enters the eye. The eye has a number of other key components. These include the cornea, pupil, lens, retina,… …   Medical dictionary

  • layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam …   Medical dictionary

  • 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

  • stratum — One of the layers of differentiated tissue, the aggregate of which forms any given structure, such as the retina or the skin. SEE ALSO: lamina, layer. [L. sterno, pp. stratus, to spread out, strew, ntr. of pp. as noun, s., a bed cover, layer] s.… …   Medical dictionary

  • Aqueous humour — The aqueous humor is a thick watery substance that is between the lens and the cornea.LocationsThe anterior segment is the front third of the eye that includes the structures in front of the vitreous humor: the cornea, iris, ciliary body, and… …   Wikipedia

  • stratum pigmentosum retinae — [TA] pigmented layer of retina: a layer of pigmented epithelium that is the outer of the two parts of the optic part of the retina (cf. stratum nervosum retinae), extending from the entrance of the optic nerve to the pupillary margin of the iris …   Medical dictionary

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