Cone cell



cone cell n.
One of the photoreceptors in the retina of the eye that is responsible for daylight and color vision; they are densely concentrated in the fovea centralis, creating the area of greatest visual acuity. Also called cone, retinal cone.

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    [kuh-ney-kuh] /kəˈneɪ kə/ noun 1. See under . [uh-skam-bee-uh] /əˈskæm bi ə/ noun 1. a river in SE Alabama, known there as the (Conecuh) and NW Florida, flowing SW and S to Escambia Bay on the Gulf of Mexico. 231 miles (372 km) long.

  • Coned

    [kohn] /koʊn/ noun 1. Geometry. 2. anything shaped like a cone: sawdust piled up in a great cone; the cone of a volcano. 3. . 4. Botany. 5. Anatomy. one of the cone-shaped cells in the retina of the eye, sensitive to color and intensity of light. Compare (def 17). 6. one of a series […]



  • Coneflower

    [kohn-flou-er] /ˈkoʊnˌflaʊ ər/ noun 1. any of several composite plants of Rudbeckia, Echinacea, and other genera, having usually with yellow rays and a brown or black disk. 2. any of various allied plants, as the prairie coneflower. /ˈkəʊnˌflaʊə/ noun 1. any North American plant of the genera Rudbeckia, Ratibida, and Echinacea, which have rayed flowers […]

  • Cone granule

    cone granule n. The nucleus of a retinal cell connecting with one of the cones.



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