| pro- | <prefix> Prefix (from both Greek and Latin) with many meanings including before, in front of, preceding, on behalf of, in place of, and the same as. Used as a word, pro of course means professional and, in medicine, it is short for prothrombin. (12 Dec 1998) |
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| pro-lactase-phlorizin hydrolase | <chemical> Synonym: pro-lph (26 Jun 1999) |
| pro-ocytocin-neurophysin convertase | <enzyme> Cleaves pro-ocytocin-neurophysin at the cooh-terminal side of arg 12 to release the bioactive peptide Registry number: EC 3.4.99.- Synonym: pro-ot-np convertase, pro-oxytocin-neurophysin convertase (26 Jun 1999) |
| pro opimelanocortin | <protein> Polyprotein produced by the anterior pituitary that is cleaved to yield adrenocorticotrophin, _, _ and _ melanocyte stimulating hormones, lipotropic hormones, _ endorphin and other fragments. (18 Nov 1997) |
| pro-opiomelanocortin | <chemical> A precursor protein, mw 30,000, synthesised mainly in the anterior pituitary gland but also found in the hypothalamus, brain, and several peripheral tissues. It incorporates the amino acid sequences of acth and beta-lipotropin. These two hormones, in turn, contain the biologically active peptides msh, corticotropin-like intermediate lobe peptide, alpha-lipotropin, endorphins, and methionine enkephalin. Chemical name: Opiomelanocortin, pro- (12 Dec 1998) |
| pro-oxidants | Compounds or agents capable of generating toxic oxygen species. Compare: antioxidant. (05 Mar 2000) |
| pro re nata | As the occasion arises; as necessary. Acronym: prn Origin: L. (05 Mar 2000) |
| pro-transforming growth factor-alpha processing protease | <enzyme> Converts membrane-bound protgf-alpha to soluble tgf-alpha; mw 84 kD Registry number: EC 3.4.21.- Synonym: protgf-alpha converting enzyme, protgfalpha processing protease (26 Jun 1999) |
| X-Pro aminopeptidase | <enzyme> Proline specific exopeptidase Registry number: EC 3.4.11.9 Synonym: x-prolyl aminopeptidase, proline-specific exopeptidase, aminopeptidase p (26 Jun 1999) |
| per- | 1. <prefix> A prefix used to signify through, throughout, by, for, or as an intensive as perhaps, by hap or chance; perennial, that lasts throughout the year; perforce, through or by force; perfoliate, perforate; perspicuous, evident throughout or very evident; perplex, literally, to entangle very much. 2. <chemistry> Originally, denoting that the element to the name of which it is prefixed in the respective compounds exercised its highest valence; now, only that the element has a higher valence than in other similar compounds; thus, barium peroxide is the highest oxide of barium; while nitrogen and manganese peroxides, so-called, are not the highest oxides of those elements. (29 Oct 1998) |
| per anum | By or through the anus. Origin: L. (05 Mar 2000) |
| per capita rate | <epidemiology> A rate which is proportional to the number of individuals in a population. (05 Dec 1998) |
| per contiguum | In contiguity; denoting the mode by which an inflammation or other morbid process spreads into an adjacent contiguous structure. Origin: per-+ L. Contiguus, touching, fr. Tango, to touch (05 Mar 2000) |
| per continuum | In continuity; continuous; denoting the mode by which an inflammation or other morbid process spreads from one part to another through continuous tissue. Origin: per-+ L. Continuus, holding together, continuous, fr. Teneo, to hold (05 Mar 2000) |
| per orally | To take a medication by mouth. (09 Oct 1997) |