| protopectin | See: pectin. (05 Mar 2000) |
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| protopectinase | <enzyme> A group of enzymes which solubilise protopectin (pectic substances fixed in plant tissues) forming highly polymerised soluble pectin; act either by hydrolysis or trans-elimination; ppases-f, -l, -s, -c and -t have been sequenced Registry number: EC 3.2.1.- Synonym: protopectinase-f, ppase-f, protopectinase-l, ppase-l, protopectinase-s, ppase-s, protopectinase-c, ppase-c, protopectinase-t, ppase-t (26 Jun 1999) |
| protophyte | <botany> Any unicellular plant, or plant forming only a plasmodium, having reproduction only by fission, gemmation, or cell division. The protophytes (Protophyta) are by some botanists considered an independent branch or class of the vegetable kingdom, and made to include the lowest forms of both fungi and algae, as slime molds, Bacteria, the nostocs, etc. Cf. Carpophyte, and Oophyte. Origin: Proto- + Gr. A plant. Source: Websters Dictionary (01 Mar 1998) |
| protophytology | That branch of paleontology which treats of fossil plants. Origin: Paleo- + botany. Source: Websters Dictionary (01 Mar 1998) |
| protopianoma | A large granulomatous lesion, considered to be the initial lesion in yaws, most commonly present on the hand, leg, or foot. Synonym: buba madre, frambesioma, mamanpian, protopianoma. (05 Mar 2000) |
| protopine | <chemistry> An alkaloid found in opium in small quantities, and extracted as a white crystalline substance. Source: Websters Dictionary (01 Mar 1998) |
| protoplasm | <cell biology> The entire contents of a live cell. (04 Mar 1998) |
| protoplasmic | 1. Of or pertaining to the first formation of living bodies. 2. <biology> Of or pertaining to protoplasm; consisting of, or resembling, protoplasm. Source: Websters Dictionary (01 Mar 1998) |
| protoplasmic astrocyte | One form of astrocyte, found mainly in gray matter, having few fibrils and numerous branching processes. (05 Mar 2000) |
| protoplasmic astrocytoma | <tumour> A neoplasm composed primarily of protoplasmic-type astrocytes. (05 Mar 2000) |
| protoplasmic movement | Movement produced by the inherent power of contraction and relaxation of protoplasm; such movement's are of three kinds: muscular, streaming, and ciliary. (05 Mar 2000) |
| protoplasmolysis | <plant biology> Process by which the plant cell protoplast shrinks, so that the plasma membrane becomes partly detached from the wall. Occurs in solutions of high osmotic potential, due to water moving out of the protoplast by osmosis. (31 Dec 1997) |
| protoplast | <biology> A bacterial cell deprived of its cell wall, for example by growth in an isotonic medium in the presence of antibiotics that block synthesis of the wall peptidoglycan. Alternatively, a plant cell similarly deprived by enzymic treatment. (18 Nov 1997) |
| protoplasta | <zoology> A division of fresh water rhizopods including those that have a soft body and delicate branched pseudopodia. The genus Gromia is one of the best-known. Source: Websters Dictionary (01 Mar 1998) |
| protopodite | <zoology> The basal portion, or two proximal and more or less consolidated segments, of an appendage of a crustacean. Origin: Proto- + Gr, foot. Source: Websters Dictionary (01 Mar 1998) |
Synonyms : B-Cell Lymphoma 6 Protein, Proto-Oncogene Protein bcl-6, Proto-Oncogene Protein c-bcl-6, Zinc Finger Protein 51, B Cell Lymphoma 6 Protein, Proto Oncogene Protein bcl 6, Proto Oncogene Protein c bcl 6, Proto Oncogene Proteins c bcl 6, c bcl 6 Protein
Synonyms : Breakpoint Cluster Region Protein, Proto-Oncogene Protein bcr, Proto-Oncogene Protein c-bcr, c-bcr Proto-Oncogene Proteins, Proteins, c-bcr, Proto Oncogene Protein bcr, Proto Oncogene Protein c bcr, Proto Oncogene Proteins c bcr, Proto-Oncogene Proteins, bcr
Synonyms : CBL E3 Ubiquitin Protein Ligase, Proto-Oncogene Protein c-cbl, c-cbl Proto-Oncogene Protein, Proteins c-cbl, Proto-Oncogene, Proto Oncogene Protein c cbl, Proto Oncogene Proteins c cbl, Proto-Oncogene Protein, c-cbl, Proto-Oncogene Protein, cbl
Synonyms : CRKI Protein, CRKII Protein, CT10 Regulator of Kinase Protein, Crk-1 Protein, Crk-2 Protein, Crk3 Protein, CrkII Adapter Protein, CrkIII Protein, Proto-Oncogene Protein c-crk, Proto-Oncogene Protein c-crk-1, Proto-Oncogene Protein c-crk-2, c-CrkII Protein
Synonyms : Proto-Oncogene Protein ets, c-ets Protein, ets Transcription Factors, Proto Oncogene Protein ets, Proto Oncogene Proteins c ets, Proto-Oncogene Proteins, c-ets, Proto-Oncogene Proteins, ets, Transcription Factors, ets, c ets Protein, ets Proto Oncogene Proteins
| protoxide |
(pro
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| protransglutaminase |
(pro
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| protrusio |
(pro
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| protactinium |
(pro
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| protamine sulfate |
[USP] a purified mixture of simple protein principles obtained from the sperm or testes of suitable species of fish; it has the property of neutralizing heparin, and is used as an antidote to overdosage with heparin, administered intravenously.
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