| pyrpurin | <chemistry> A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance. Source: Websters Dictionary (01 Mar 1998) |
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| pyrpuriparous | <biology> Producing, or connected with, a purple-coloured secretion; as, the purpuriparous gland of certain gastropods. Origin: L. Purpura purple + parere to produce. Source: Websters Dictionary (01 Mar 1998) |
| pyrrhotite | <chemical> A bronze-coloured mineral, of metallic luster. It is a sulphide of iron, and is remarkable for being attracted by the magnet. Synonym: magnetic pyrites. Origin: Gr. Flame-coloured, fr. Fire. Source: Websters Dictionary (01 Mar 1998) |
| pyrrobutamine phosphate | 1-[4-(p-Chlorophenyl)-3-phenyl-2-butenyl]-pyrrolidine diphosphate;an antihistamine. (05 Mar 2000) |
| pyrrol | <chemistry> A nitrogenous base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a colourless liquid, C4H5N, having on odour like that of chloroform. It is the nucleus and origin of a large number of derivatives. So called because it colours a splinter of wood moistened with hydrochloric acid a deep red. Origin: Gr. Flame-coloured (from fire) + L. Oleum oil. Source: Websters Dictionary (01 Mar 1998) |
| pyrrol blue | C4OH3ON3O6Na;an acid triarylmethane dye employed as a vital dye and as an elastin stain. Synonym: Isamine blue. (05 Mar 2000) |
| pyrrol cell | A cell of the mononuclear macrophage system that has a special affinity for pyrrol blue, taking up the dye by a process of pinocytosis. (05 Mar 2000) |
| pyrrolase | An oxidoreductase catalyzing the reaction of l-tryptophan and O2 to produce l-N-formylkynurenine; an adaptive enzyme, the level (in the liver) being controlled by adrenal hormones; a step in tryptophan catabolism; also, a step in the synthesis of NAD+ from tryptophan. Synonym: pyrrolase, tryptophan oxygenase, tryptophan pyrrolase, tryptophanase. (05 Mar 2000) |
| pyrrole | Divinylenimine;a heterocyclic compound found in many biologically important substances. Synonym: azole, imidole. (05 Mar 2000) |
| pyrrole nucleus | Of porphyrins, a cyclic tetrapyrrole; four pyrrole groups joined into a ring structure by way of -CH== (methylidyne) bridges between the a position of one pyrrole and the a' position of another pyrrole, the fourth pyrrole being joined to the first. See: porphin, porphyrin. (05 Mar 2000) |
| pyrrole ring | <biochemistry, chemistry> A heterocyclic ring structure, found in many important biological pigments and structures that involve an activated metal ion, for example chlorphyll, hem. (18 Nov 1997) |
| pyrrole-2-carboxylate monooxygenase | <enzyme> Consists of 18.7- and 54-kD subunits; the 18.7-kD subunit is an NADH-oxidase; the 54-kD subunit requires NADH and fad; isolated from rhodococcus Registry number: EC 1.14.13.- Synonym: pyrrole-2-cooh monooxygenase (26 Jun 1999) |
| pyrrolidine | 1. Tetrahydropyrrole;pyrrole to which four H atoms have been added; the structural basis of proline and hydroxyproline. 2. A class of alkaloids containing a pyrrolidine moiety or a pyrrolidine derivative. (05 Mar 2000) |
| pyrrolidine-2-carboxylate | <amino acid> One of the 20 amino acids directly coded for in proteins. Structure differs from all the others, in that its side chain is bonded to the nitrogen of the _ amino group, as well as the _ carbon. This makes the amino group a secondary amine and so proline is described as an imino acid. Has strong influence on secondary structure of proteins and is much more abundant in collagens than in other proteins, occurring especially in the sequence glycine proline hydroxyproline. A proline rich region seems to characterise the binding site of SH3 domains. (18 Nov 1997) |
| pyrrolidinones | A group of compounds that are derivatives of oxo-pyrrolidines. A member of this group is 2-oxo pyrrolidine, which is an intermediate in the manufacture of polyvinylpyrrolidone. (12 Dec 1998) |
| pyridoxine |
This vitamin assists in the function of specific enzymes within the body. These enzymes are involved in energy production and also the alteration of some of the building blocks of proteins (amino acids) to form specific compounds such as nerve transmitting substances.
출처: www.nutribest.com/glossary.html
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| pyrimidine |
nitrogen base made up of a six membered ring, two types: cytosine [c] and thymine [t]
출처: cuip.uchicago.edu/wit/2000/teams/webscience/glossa...
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| pyr(o)- |
1. a combining form denoting relationship to fire or heat. 2. in chemistry, a prefix meaning produced by heating. 3. in inorganic chemistry, a prefix indicating a dimeric acid anhydride, e.g., pyrophosphoric acid.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| pyra´mides Malpi´ghii |
pyramides renales.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| pyra´mides rena´les |
[TA] , pyra´mides rena´les [Malpi´ghii] renal pyramids: the conical masses that make up the substance of the renal medulla; they contain the loops of Henle, the collecting ducts, and the straight arterioles of the kidney.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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