| prochondral | Denoting a developmental stage prior to the formation of cartilage. Origin: pro-+ G. Chondros, cartilage (05 Mar 2000) |
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| prochordal | <anatomy> Situated in front of the notochord; applied especially to parts of the cartilaginous rudiments in the base of the skull. Origin: Pref. Pro + chordal. Source: Websters Dictionary (01 Mar 1998) |
| prochordal plate | A small area immediately rostral to the cephalic tip of the notochord where ectoderm and endoderm are in contact; when turned under the growing head, it forms the pharyngeal membrane. See: oral plate. Synonym: prechordal plate. (05 Mar 2000) |
| prochymosin | The precursor of chymosin. Synonym: chymosinogen, pexinogen, prorennin, renninogen, rennogen. (05 Mar 2000) |
| procidentia | <medicine> A falling down; a prolapsus. Origin: L. Procidentia, fr. Procidens, p. Pr. Of procidere to fall down forward. Source: Websters Dictionary (01 Mar 1998) |
| procidentia uteri | See: prolapse of the uterus. (05 Mar 2000) |
| proclavaminate amidino hydrolase | <enzyme> Hydrolyzes guanidinoproclavaminate to proclavaminate; amino acid sequence given in first source Registry number: EC 3.5.3.- Synonym: pah protein, pah gene product, proclvaminic acid amidino hydrolase (26 Jun 1999) |
| proclivous | 1. Inclined; tending by nature. 2. <zoology> Having the incisor teeth directed forward. Origin: L. Proclivus. See Proclive. Source: Websters Dictionary (01 Mar 1998) |
| procoele | <anatomy> A lateral cavity of the prosencephalon; a lateral ventricle of the brain. Origin: Pref. Pro + Gr. Hollow. Source: Websters Dictionary (01 Mar 1998) |
| procoelia | Origin: NL. <anatomy> Same as Procoele. <zoology> A division of Crocodilia, including the true crocodiles and alligators, in which the dorsal vertebrae are concave in front. Source: Websters Dictionary (01 Mar 1998) |
| procoelian | <anatomy> Concave in front; as, procoelian vertebrae, which have the anterior end of the centra concave and the posterior convex. See: Procoele. <zoology> A reptile having procoelian vertebrae; one of the Procoelia. Source: Websters Dictionary (01 Mar 1998) |
| procolipase | <chemical> Found in porcine pancreas Chemical name: lipase cofactor, pro- Synonym: procolipase a, procolipase b, pancreatic pro-colipase, enterostatin (26 Jun 1999) |
| procollagen | <cell biology> Triple helical trimer of collagen molecules in which the terminal extension peptides are linked by disulphide bridges, the terminal peptides are later removed by specific proteases to produce a tropocollagen molecule. (18 Nov 1997) |
| procollagen aminoproteinase | An extracellular enzyme that participates in the processing of collagen, removing the extension peptide at the amino-terminal end of procollagen. (05 Mar 2000) |
| procollagen C-endopeptidase | <enzyme> Cleaves the carboxyl-terminal propeptides from type I pr; in 1996 determined to be identical to bone morphogenetic protein 1 Registry number: EC 3.4.24.19 Synonym: procollagen c-protease, type I procollagen carboxyl-terminal proteinase, c-proteinase, procollagen, procollagen endopeptidase (carboxy terminal splitting), procollagen c-proteinase, bone morphogenetic protein 1, bone morphogenic protein 1, bmp-1 (26 Jun 1999) |