plural retinas also retinae
ˈre-tə-ˌnē 
-ˌnī
: the sensory membrane that lines the eye, is composed of several layers including one containing the rods and cones, and functions as the immediate instrument of vision by receiving the image formed by the lens and converting it into chemical and nervous signals which reach the brain by way of the optic nerve see eye illustration
Examples of retina in a Sentence
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To prove it, Jeff brings out an exact copy of the immunity necklace, the one that a member of Hordak’s Horde seemingly assembled in an assault on all retinas everywhere.
—
Brian Moylan, Vulture, 6 Nov. 2024
This supports the retina's ability to translate light rays into vision and keeps eyes moist enough to prevent dry eyes.10
8.
—Cristina Mutchler, Verywell Health, 11 Oct. 2024
Researchers say that happens when bright light enters the inner surface of the retina where neurons called retinal ganglion cells are located.
—Anuradha Varanasi, Forbes, 4 Nov. 2024
These carotenoids specifically accumulate in a part of the retina called the macula.
—Jillian Kubala, Health, 31 Oct. 2024
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Brian Moylan, Vulture, 6 Nov. 2024
This supports the retina's ability to translate light rays into vision and keeps eyes moist enough to prevent dry eyes.10
8.
—Cristina Mutchler, Verywell Health, 11 Oct. 2024
Researchers say that happens when bright light enters the inner surface of the retina where neurons called retinal ganglion cells are located.
—Anuradha Varanasi, Forbes, 4 Nov. 2024
These carotenoids specifically accumulate in a part of the retina called the macula.
—Jillian Kubala, Health, 31 Oct. 2024
See all Example Sentences for retina
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Dictionary Entries Near retina
Cite this Entry
“Retina.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retina. Accessed 28 Nov. 2024.
Copy CitationKids Definition
retina
noun
ret·i·na
ˈret-ᵊn-ə
ˈret-nə
plural retinas also retinae
-ᵊn-ˌē
-ˌī
: the light-sensitive inner layer lining the back of the eye that contains the rods and cones and converts the images formed by the lens into signals which reach the brain by way of the optic nerve
retinal
adjective
-ᵊn-əl
-nəl
Medical Definition
retina
1 of 2 noun
ret·i·na
ˈret-ᵊn-ə, ˈret-nə
plural retinas also retinae
-ᵊn-ˌē
: the sensory membrane that lines most of the large posterior chamber of the vertebrate eye, is composed of several layers including one containing the rods and cones, and functions as the immediate instrument of vision by receiving the image formed by the lens and converting it into chemical and nervous signals which reach the brain by way of the optic nerve
Retin-A
2 of 2 trademark
Ret·in-A
ˌret-ᵊn-ˈā
—used for a preparation of tretinoin
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