Definition of Rods and cones. Meaning of Rods and cones. Synonyms of Rods and cones

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Definition of Rods and cones

Rods and cones
Rod Rod, n. [The same word as rood. See Rood.] 1. A straight and slender stick; a wand; hence, any slender bar, as of wood or metal (applied to various purposes). Specifically: (a) An instrument of punishment or correction; figuratively, chastisement. He that spareth his rod hateth his son. --Prov. xiii. 24. (b) A kind of sceptor, or badge of office; hence, figuratively, power; authority; tyranny; oppression. ``The rod, and bird of peace.' --Shak. (c) A support for a fishing line; a fish pole. --Gay. (d) (Mach. & Structure) A member used in tension, as for sustaining a suspended weight, or in tension and compression, as for transmitting reciprocating motion, etc.; a connecting bar. (e) An instrument for measuring. 2. A measure of length containing sixteen and a half feet; -- called also perch, and pole. Black rod. See in the Vocabulary. Rods and cones (Anat.), the elongated cells or elements of the sensory layer of the retina, some of which are cylindrical, others somewhat conical.

Meaning of Rods and cones from wikipedia

- mammalian eyes: rods, cones, and intrinsically photosensitive retinal ganglion cells. The two classic photoreceptor cells are rods and cones, each contributing...
- Cone cells or cones are photoreceptor cells in the retina of the vertebrate eye. Cones are active in daylight conditions and enable Photopic vision, as...
- two types: rods and cones. Rods function mainly in dim light and provide monochromatic vision. Cones function in well-lit conditions and are responsible...
- efficiency. Rods are much more common than cones, with about 120 million rod cells compared to 6 to 7 million cone cells. Like cones, rod cells have a...
- photoreceptors, rods, cones, and intrinsically photosensitive retinal ganglion cells (ipRGCs). Rods and cones are responsible for vision and connected to...
- red-green and blue-yellow plates. Dystrophy of the light-sensing cells of the eye may also occur in the rods as well, or in both the cones and the rods. A type...
- of music and art, both po****r and obscure. Its performers, known as Blue Men, have their skin painted blue. They are mute during shows and always appear...
- Foster studied light entrainment on mice without cones or both rods and cones. Mice without cones or without both photoreceptive cells (rd/rd cl allele)...
- directly. Cone cells and rods are connected through intermediate cells in the retina to nerve fibres of the optic nerve. When rods and cones are stimulated...
- synaptic input from either rods or cones, or both rods and cones, though they are generally designated rod bipolar or cone bipolar cells. There are roughly...