1

retinal

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adjective ret·i·nal \ˈre-tə-nəl, ˈret-nəl\

Definition of retinal

  1. :  of, relating to, involving, or being a retina

1798

First Known Use of retinal

1798


2

retinal

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noun ret·i·nal \ˈre-tə-ˌnal, -ˌnȯl\

Definition of retinal

  1. :  a yellowish to orange aldehyde C20H28O derived from vitamin A that in combination with proteins forms the visual pigments of the retinal rods and cones

Origin and Etymology of retinal

retin- + 3-al


First Known Use: 1944


Medical Dictionary

1

retinal

play
adjective ret·i·nal \ˈret-ən-əl, ˈret-nəl\

Medical Definition of retinal

  1. :  of, relating to, involving, or being a retina a retinal examination retinal rods


2

retinal

play play
noun ret·i·nal \ˈret-ən-ˌal, -ˌȯl\

Medical Definition of retinal

  1. :  a yellowish to orange aldehyde C20H28O derived from vitamin A that in combination with proteins forms the visual pigments of the retinal rods and cones—called also retinene, retinene1, vitamin A aldehyde




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