rhodopsin
noun
rho·dop·sin
rō-ˈdäp-sən 
: a red photosensitive pigment in the retinal rods of the eye of most vertebrates that is important in vision in dim light
called also visual purple
Examples of rhodopsin in a Sentence
Recent Examples on the Web
Vitamin A is a key component of rhodopsin—a protein in your retina.
—
Isabel Vasquez Rd Ldn, Health, 25 Sep. 2024
Without adequate levels of Beta-Carotene, the production of rhodopsin can be impaired, leading to vision problems such as night blindness.
—Discover Magazine, 30 June 2023
But the experiment may not reveal much about how rhodopsin use evolved in nature.
—Byelizabeth Pennisi, science.org, 18 Apr. 2023
In the deep sea, the rhodopsin pigments in whale shark eyes are specifically calibrated to see blue light—the only color that reaches these depths.
—Byjack Tamisiea, science.org, 24 Mar. 2023
Our eyes adapt badly to darkness, and our night vision—which is activated by the pigment protein rhodopsin—takes a long while to turn on, as anyone who leans back on a car roof to watch the evening stars knows.
—Adam Gopnik, The New Yorker, 20 Feb. 2023
Fun fact: Unlike others of its kind, A. hoosieri lacks a debilitating mutation in the rhodopsin gene, which is an important gene for vision.
—Brenda Poppy, Discover Magazine, 10 Dec. 2014
Vitamin A is also a component of the protein rhodopsin, which allows the eye to see in the dark.
—Korin Miller, Good Housekeeping, 12 Nov. 2021
All rods contain the same type of photopigment, called rhodopsin.
—Gabriel A. Silva, Forbes, 20 May 2021
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Isabel Vasquez Rd Ldn, Health, 25 Sep. 2024
Without adequate levels of Beta-Carotene, the production of rhodopsin can be impaired, leading to vision problems such as night blindness.
—Discover Magazine, 30 June 2023
But the experiment may not reveal much about how rhodopsin use evolved in nature.
—Byelizabeth Pennisi, science.org, 18 Apr. 2023
In the deep sea, the rhodopsin pigments in whale shark eyes are specifically calibrated to see blue light—the only color that reaches these depths.
—Byjack Tamisiea, science.org, 24 Mar. 2023
Our eyes adapt badly to darkness, and our night vision—which is activated by the pigment protein rhodopsin—takes a long while to turn on, as anyone who leans back on a car roof to watch the evening stars knows.
—Adam Gopnik, The New Yorker, 20 Feb. 2023
Fun fact: Unlike others of its kind, A. hoosieri lacks a debilitating mutation in the rhodopsin gene, which is an important gene for vision.
—Brenda Poppy, Discover Magazine, 10 Dec. 2014
Vitamin A is also a component of the protein rhodopsin, which allows the eye to see in the dark.
—Korin Miller, Good Housekeeping, 12 Nov. 2021
All rods contain the same type of photopigment, called rhodopsin.
—Gabriel A. Silva, Forbes, 20 May 2021
Dictionary Entries Near rhodopsin
Cite this Entry
“Rhodopsin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rhodopsin. Accessed 26 Nov. 2024.
Copy CitationMedical Definition
rhodopsin
noun
rho·dop·sin
rō-ˈdäp-sən
: a red photosensitive pigment in the retinal rods of marine fishes and most higher vertebrates that is important in vision in dim light, is quickly bleached by light to a mixture of opsin and retinal, and is regenerated in the dark
called also visual purple
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