Retinal scan
retinal scan definition
A technology for the identification of individuals that depends on the uniqueness of the pattern of blood vessels in the retinas of people’s eyes.
Note: Retinal scans are one means of identification that developed rapidly following the September 11 attacks (2001).
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- Retinene
noun, Biochemistry. 1. an orange pigment, C 2 0 H 2 8 O, that is the active component of rhodopsin and is liberated upon the absorption of light in the vision cycle; vitamin A aldehyde. noun 1. the aldehyde form of the polyene retinol (vitamin A) that associates with the protein opsin to form the […]
- Retinene1
retinene1 n. See retinaldehyde.
- Retinene2
retinene2 n. See dehydroretinaldehyde.
- Retinite
noun, Mineralogy. 1. any of various fossil resins, especially one derived from brown coal. noun 1. any of various resins of fossil origin, esp one derived from lignite
- Retinitis
noun, Ophthalmology. 1. inflammation of the retina. noun 1. inflammation of the retina retinitis ret·i·ni·tis (rět’n-ī’tĭs) n. Inflammation of the retina.