Definition of Retina

Babylon English
retina
n. light-sensitive layer at the back of the eyeball which receives images and transmits them to the brain as nerve impulses (Anatomy)

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Retina definition was found in categories: Language, Idioms & Slang(4)  Arts & Humanities(1)  Medicine(7)  Entertainment & Music(1)  Social Science(1)  Encyclopedia(1)  

Retina Definition from Language, Idioms & Slang Dictionaries & Glossaries

Webster's Revised Unabridged Dictionary (1913)
Retina
(n.)
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.
  

WordNet 2.0
retina

Noun
1. the light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
(hypernym) membrane, tissue layer
(part-holonym) eye, oculus, optic
(part-meronym) neuroepithelium

Anagram
retina
      retain

hEnglish - advanced version
retina

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.
note: the fibers of the optic nerve and the retinal blood vessels spread out upon the front surface of the retina, while the sensory layer (called jacob's membrane), containing the rods and cones, is on the back side, next the choroid coat.
retina
n : the light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve


  similar words(1) 




 detached retina 


Retina Definition from Arts & Humanities Dictionaries & Glossaries

JM Latin-English Dictionary
retina
N F
retina


Retina Definition from Medicine Dictionaries & Glossaries

Aids Glossary
retina
a light-sensitive membrane lining the inner eyeball. Images are formed on the retina before being transmitted to the brain on the optic nerve.

NDIC Diabetes Dictionary
retina (REH-ti-nuh)
the light-sensitive layer of tissue that lines the back of the eye.
  

Macular Degeneration Glossary
Retinal Cell Layers
The membrane on the inner wall of the eyeball which receives the image from the lens and converts it into neural impulses.
(See Anatomy of the Eye" on the MD Support web site.)

Lung Diseases Glossary
Retina
The inner layer of tissue at the back of the eye that is sensitive to light.
Context: Bronchopulmonary Dysplasia

Glossary of HIV/AIDS-Related Terms
RETINA
Light-sensitive tissue at the back of the eye that transmits visual impulses via the optic nerve to the brain. See Retinitis.

Diabetes Glossary
Retina
The center part of the back lining of the eye that senses light. The small retinal blood vessels that carry oxygen to the eye are often damaged by diabetes.
See retinopathy .

Vision Glossary
RETINA (RET-in-nuh)
The light-sensitive layer of tissue that lines the back of the eyeball; sends visual messages through the optic nerve to the brain.


Retina Definition from Entertainment & Music Dictionaries & Glossaries

English to Federation-Standard Golic Vulcan
Retina
glan-nalatra-tin


Retina Definition from Social Science Dictionaries & Glossaries

Phobia
Ombrophobia
Fear of rain or of being rained on
Also known as Pluviophobia


Retina Definition from Encyclopedia Dictionaries & Glossaries

Wikipedia English - The Free Encyclopedia
Retina
For the moth genus, see Retina (moth).
The retina is a thin layer of neural cells that lines the back of the eyeball of vertebrates and some cephalopods. It is comparable to the film in a camera. In vertebrate embryonic development, the retina and the optic nerve originate as outgrowths of the developing brain. Hence, the retina is part of the central nervous system (CNS). It is the only part of the CNS that can be imaged directly.

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