Cell, cone
A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provide sharp central vision and color vision. By contrast, the rods are retinal photoreceptors that provide side vision and the ability to see objects in dim light (night vision).

Medical dictionary. 2011.

Look at other dictionaries:

  • Cone cell — Neuron: Cone Cell Normalized responsivity spectra of human cone cells, S, M, and L types NeuroLex ID …   Wikipedia

  • cone — ► NOUN 1) an object which tapers from a circular or roughly circular base to a point. 2) (also traffic cone) a plastic cone used to separate off sections of a road. 3) the cone shaped dry fruit of a conifer. 4) one of two types of light sensitive …   English terms dictionary

  • Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… …   Medical dictionary

  • cone — /kohn/, n., v., coned, coning. n. 1. Geom. a. a solid whose surface is generated by a line passing through a fixed point and a fixed plane curve not containing the point, consisting of two equal sections joined at a vertex. b. a plane surface… …   Universalium

  • Cone — This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article …   Wikipedia

  • Cone — A type of specialized light sensitive cell (photoreceptor) in the retina of the eye that provide sharp central vision and color vision. By contrast, the rods are the retinal photoreceptors that provide side vision and the ability to see objects… …   Medical dictionary

  • cone cell — noun a visual receptor cell in the retina that is sensitive to bright light and to color • Syn: ↑cone, ↑retinal cone • Hypernyms: ↑visual cell • Part Holonyms: ↑retina • Part Meronyms: ↑ …   Useful english dictionary

  • cone — I UK [kəʊn] / US [koʊn] noun [countable] Word forms cone : singular cone plural cones * 1) an object with a circular base that rises to a point. Something in the shape of a cone is conical a large building shaped like a cone a tower with a cone… …   English dictionary

  • cone — /koʊn / (say kohn) noun 1. a solid with a circular base, whose straight sides converge in a point. 2. Geometry a solid whose surface is generated by the straight lines joining a fixed point to the points of a plane curve whose plane does not… …   Australian English dictionary

  • cone — cone1 [kəun US koun] n [Date: 1400 1500; : French; Origin: Latin conus, from Greek konos] 1.) a solid or hollow shape that is round at one end, has sloping sides, and has a point at the other end, or something with this shape 2.) an object shaped …   Dictionary of contemporary English

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