| CCP | cephalin-cholesterol flocculation; ciliocytophthoria; chronic calcifying pancreatitis; community car... |
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| CCT | carotid compression tomography; central conduction time; cerebrocranial trauma; chocolate-coated tab... |
| cGMP | cyclic guanosine monophosphate |
| CLA | cerebellar ataxia; Certified Laboratory Assistant; cervicolinguoaxial; contralateral local anesthesi... |
| CNGC | cyclic nucleotide gated channel |
| cyclic neutropenia | Neutropenia recurring at regular intervals (14 to 45 days), in association with various types of infectious diseases, e.g., stomatitis, cutaneous ulcers, furuncles, arthritis, and others. Synonym: cyclic neutropenia. (05 Mar 2000) |
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| cyclic nucleotide | A nucleoside monophosphate in which the phosphoryl group is linked twice to the sugar moiety; e.g., adenosine 3',5'-cyclic monophosphate (cAMP). (05 Mar 2000) |
| cyclic nucleotide-regulated protein kinases | <enzyme> A group of enzymes that catalyses the phosphorylation of serine or threonine residues of proteins and is dependent on cyclic nucleotides. Registry number: EC 2.7.10.- (12 Dec 1998) |
| cyclic peptide | A peptide that forms a ring structure; e.g., tyrocidin A, an antibiotic, is a cyclic decapeptide; valinomycin is a cyclic depsipeptide. (05 Mar 2000) |
| cyclic phosphate | An activator of phosphorylase kinase and an effector of other enzymes, formed in muscle from ATP by adenylate cyclase and broken down to 5'-AMP by a phosphodiesterase; sometimes referred to as the "second messenger." A related compound (2',3') is also known. Synonym: cyclic adenylic acid, cyclic AMP, cyclic phosphate. Acronym: cAMP (05 Mar 2000) |
| cyclic phosphoric acid | In general, a linear polymer of phosphoric acid residues in pyrophosphate linkage in which the a and ω residues are similarly linked to make one endless loop or cyclic compound, specifically, a generic term applied to compounds in which one phosphoric acid residue is esterified to two hydroxyl groups of a single carbon chain, as in adenosine 3',5'-phosphoric acid, adenosine 2',3'-phosphoric acid, etc. (05 Mar 2000) |
| cyclic phosphorylation | Any process in which a phosphatide ester forms a cylic diester by linkage to a neighbouring hydroxyl group. (18 Nov 1997) |
| cyclic photophosphorylation | Process by which light energy absorbed by photosystem I in the chloroplast can be used to generate ATP without concomitant reduction of NADP or other electron acceptors. Energised electrons are passed from PS I to ferredoxin and thence along a chain of electron carriers and back to the reaction centre of PS I, generating ATP en route. (18 Nov 1997) |
| cyclic strabismus | A strabismus that appears and disappears in rhythym, most frequently at 48-hour intervals. (05 Mar 2000) |
| cyclic uridine 3',5'-monophosphate | A cyclic nucleotide involved in metabolic regulation; inhibits the growth of some tumours. (05 Mar 2000) |
| hydrocarbons, cyclic | Organic compounds composed exclusively of carbon and hydrogen forming a closed ring that may be either alicyclic or aromatic. (12 Dec 1998) |
| nucleotide 3'-pyrophosphokinase-2',3'-cyclic monophosphokinase | <enzyme> Transfers 5'-beta,gamma-pyrophosphate from ATP and some ATP derivatives to nucleotides and nucleosides at the 3'-hydroxyl group; synthesises the respective 3'-pyrophosphoryl nucleotides Registry number: EC 2.7.6.- Synonym: ppkase (26 Jun 1999) |
| dibutyryl cyclic AMP | An analogue of cyclic AMP that shares some of the pharmacological effects of this nucleotide, but is generally believed to enter cells more readily on account of its greater hydrophobicity. (18 Nov 1997) |
| dibutyryl cyclic GMP | <chemical> N-(1-oxobutyl)-cyclic 3',5'-(hydrogen phosphate)-2'-butanoate guanosine. A derivative of cyclic GMP. It has a higher resistance to extracellular and intracellular phosphodiesterase than cyclic GMP. Chemical name: Guanosine, N-(1-oxobutyl)-, cyclic 3',5'-(hydrogen phosphate) 2'-butanoate (12 Dec 1998) |
| DNA-binding protein, cyclic AMP-responsive | A protein that has been shown to function as a calcium regulated transcription factor as well as a substrate for depolarisation-activated calcium calmodulin-dependent protein kinases I and II. This protein functions to integrate both calcium and camp signals. (12 Dec 1998) |