| coptosis | A state of perpetual fatigue. Origin: G. Kopto, to tire, + osis, condition (05 Mar 2000) |
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| copula | 1. In anatomy, a narrow part connecting two structures, e.g., the body of the hyoid bone. 2. A swelling that is formed during the early development of the tongue by the medial portion of the second branchial arch; it is overgrown by the hypobranchial eminence and is not present in the adult tongue. 3. Obsolete term for zygote. Origin: L. A bond, tie (05 Mar 2000) |
| copula linguae | <anatomy> A median elevation in the floor of the embryonic pharynx caudal to the tuberculum impar. It merges laterally with the ventral part of the second and third branchial arches, and in later development is incorporated in the root of the tongue. Synonym: copula linguae, His' copula. (05 Mar 2000) |
| copulation | Sexual contact of a male with a receptive female usually followed by emission of sperm. Limited to non-human species. For humans use coitus. (12 Dec 1998) |
| copy choice | A genetic recombination mechanism where the new DNA molecule comes about by replicating selected parts of each parental DNA molecule and by alternating between the two (maternal and paternal). (09 Oct 1997) |
| copy number | The number of molecules of a particular type on or in a cell or part of a cell. Usually applied to specific genes or to plasmids within a bacterium. (18 Nov 1997) |
| copying processes | Reproduction of data in a new location or other destination, leaving the source data unchanged, although the physical form of the result may differ from that of the source. (12 Dec 1998) |
| copyright | The exclusive right, granted by law for a certain number of years, to make and dispose of copies of a literary, musical or artistic work. In the united states the copyright is granted for the life of the author plus 50 years. In the case of a joint work, it is for the life of the last joint author to die, plus 50 years. In either case the copyright runs until the end of the calendar year 50 years after the author's death. (12 Dec 1998) |
| copal |
(co
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| Cope's sign |
(Cope's sign) (k[omacr]ps) [Sir Vincent Cope, English surgeon, 1881?974] see under sign.
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| Copepoda |
(Co
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| Copernicia |
(Co
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| copiopia |
(copi
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| COP | variety of European beech with shining purple or copper-colored leaves |
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| COP | a reddish brown the color of polished copper |
| COP | having the color of copper |
| COP | a heavy gray mineral that is an ore of copper |
| COP | a mine where copper is dug from the ground |
| COP | enlargement of the nose with dilation of follicles and redness and prominent vascularity of the skin |
| COP | an oxide of copper |
| COP | a yellow copper ore (CuFeS2) made up of copper-iron sulfide |
| COP | of North American Pacific coastal waters |
| COP | a copper salt made by the action of sulfuric acid on copper oxide |
| COP | a copper salt made by the action of sulfuric acid on copper oxide |
| COP | (British) an informer or spy working for the police |