RETINA (retinae)

Pronunciation (US):

(GB):

IPA (US):

Irregular inflected form: retinae   

 Dictionary entry overview: What does retina mean? 

• RETINA (noun)
  The noun RETINA has 1 sense:

1. the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve

  Familiarity information: RETINA used as a noun is very rare.

 Dictionary entry details 

• RETINA (noun)

Sense 1

Meaning:

The innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve

Classified under:

Nouns denoting body parts

Hypernyms ("retina" is a kind of...):

membrane; tissue layer (a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants)

Meronyms (parts of "retina"):

neuroepithelium (epithelium associated with special sense organs and containing sensory nerve endings)

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; macula lutea; macular area; yellow spot (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)

blind spot; optic disc; optic disk (the point where the optic nerve enters the retina; not sensitive to light)

cone; cone cell; retinal cone (a visual receptor cell in the retina that is sensitive to bright light and to color)

retinal rod; rod; rod cell (a visual receptor cell that is sensitive to dim light)

Holonyms ("retina" is a part of...):

eye; oculus; optic (the organ of sight)

Derivation:

retinal (in or relating to the retina of the eye)

 Context examples 

Breakdown of this C3-CR3 interaction results in a decreased ability of microglia to phagocytose dead photoreceptors, which then accumulate in the retina, stimulating greater inflammation and degeneration.

(Immune system can slow degenerative eye disease, National Institutes of Health)

A malignant neoplasm that has spread to the retina from another anatomic site.

(Metastatic Malignant Neoplasm to the Retina, NCI Thesaurus)

The most common eye cancer in children is retinoblastoma, which starts in the cells of the retina.

(Eye Cancer, NIH)

Computational methods allowed the researchers to detect patterns between the genes expressed in the retina and a pool of more than 9 million previously identified genetic variants.

(New study about genes linked to age-related macular degeneration, National Institutes of Health)

The disease, caused by the death of retina cells at the back of the eye, affects 60million people around the world, a 10th of whom have gone completely blind.

(Air Pollution Can Trigger Glaucoma, The Titi Tudorancea Bulletin)

The human retina has all of the components for this circuit as well.

(New color vision pathway unveiled, NIH)

The drug combination preserved microtubule structure in human stem cell-derived neurons, and rat retina—the light sensitive tissue at the back of the eye.

(Researchers develop “hibernation in a dish” to study how animals adapt to the cold, National Institutes of Health)

By cell division, migration, differentiation, and synaptogenesis, the inner surface becomes the multi-layer neuroepithelial retina; the outer monolayer becomes the retinal pigment epithelium.

(Eye Development, NCI Thesaurus)

This gene plays a role in signal transduction within the retina.

(GRK7 Gene, NCI Thesaurus)

You need a healthy retina to see clearly.

(Diabetic Eye Problems, NIH: National Institute of Diabetes and Digestive and Kidney Diseases)