retina (redirected from plexiform layer)

ret·i·na  (rtn-)

n. pl. ret·i·nas or ret·i·nae (rtn-)

A delicate, multilayered, light-sensitive membrane lining the inner eyeball and connected by the optic nerve to the brain.

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[Middle English, from Medieval Latin rtina, from Latin rte, net.]

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reti·nal adj.

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retina [ˈrɛtɪnə]

n pl -nas, -nae [-ˌniː]

(Life Sciences & Allied Applications / Anatomy) the light-sensitive membrane forming the inner lining of the posterior wall of the eyeball, composed largely of a specialized terminal expansion of the optic nerve. Images focused here by the lens of the eye are transmitted to the brain as nerve impulses

[from Medieval Latin, perhaps from Latin rēte net]

retinal  adj

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retina  (rtn-)

Plural retinas or retinae (rtn-)

The light-sensitive membrane that lines the inside of the back of the eyeball and connects to the brain by the optic nerve. The retina of vertebrate animals contains rods and cones, specialized cells that absorb light.

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retina - From Latin rete, "net," as there is a net of nerves making up this layer of the eyeball.

See also related terms for net.

Thesaurus

Noun

1.

retina - the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve neuroepithelium - epithelium associated with special sense organs and containing sensory nerve endings eye, oculus, optic - the organ of sight tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants fovea, fovea centralis - area consisting of a small depression in the retina containing cones and where vision is most acute parafovea - area of the retina immediately surrounding the fovea macula lutea, macular area, yellow spot, macula - a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision visual cell - one of the cells of the retina that is sensitive to light optic disc, optic disk, blind spot - the point where the optic nerve enters the retina; not sensitive to light cone cell, retinal cone, cone - a visual receptor cell in the retina that is sensitive to bright light and to color retinal rod, rod cell, rod - a visual receptor cell that is sensitive to dim light

Translations

retina [ˈretɪnə] N (retinas or retinae (pl)) [ˈretɪniː] (Anat) → retina f

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retina [ˈrɛtɪnə] n → rétine f

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retina

n pl <-e or -s> → Netzhaut f, → Retina f (spec)

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retina [ˈrɛtɪnə] n → retina

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retina

n retina [ˈretinə]

the part of the back of the eye that receives the image of what is seen. retina شَبَكِيَّة العَيْن ретина sítnice nethinde; retina die Netzhaut αμφιβληστροειδής χιτώνας retina võrkkest شبکیه چشم verkkokalvo rétine רִשתִית आंख के पीछे का पर्दा mrežnica (oka) retina retina sjónhimna retina 網膜 망막 tinklainė tīklene retina netvlies netthinne, retina siatkówka retina retină сетчатка sietnica mrežnica mrežnjača näthinna เยื่อชั้นในของลูกตา retina, ağ tabaka 視網膜 сітківка, сітчаста оболонка ока پردۂ بصارت võng mạc 视网膜