| CTA | Canadian Tuberculosis Association; chemotactic activity; chromotropic acid; Committee on Thrombolyti... |
|---|---|
| CLED | cystine-lactose-electrolyte-deficient [agar] |
| TSA | technical surgical assistance; toluene sulfonic acid; total shoulder arthroplasty; total solute abso... |
| CAP | camptodactyly-arthropathy-pericarditis [syndrome]; Canada Assistance Plan; capsule; captopril; catab... |
| CG | cardiography; cardiogreen; choking gas; choriogenic gynecomastia; chorionic gonadotropin; chromogran... |
| TSA | Trypticase Soy Agar |
|---|---|
| CAP | Cystine aminopeptidase |
| SC | Selenite Cystine |
| TSB | Trypticase Soy Broth |
| AGID | Agar Gel Immunodiffusion |
| meso-cystine | An isomer of cystine in which the configuration about one of the alpha-carbons is d, about the other, l, so that the molecule as a whole possesses a plane of symmetry and is optically inactive. Note that meso-cystine is not dl-cystine. Dl-cystine is a racaemic mixture of dd-cystine and ll-cystine. (05 Mar 2000) |
|---|---|
| half cystine | Refers to one-half of a cystine molecule or of a cystinyl residue in a protein or peptide. (05 Mar 2000) |
| cystine | <amino acid> The amino acid formed by linking two cysteine residues with a disulphide linkage between the two SH groups. The analagous compound present within proteins is termed two half cysteines. (18 Nov 1997) |
| cystine bridge | A disulfide linkage between two cysteinyl residues in a poly-or oligopeptide or in a protein, any disulfide linkage between any thiol-containing moieties of a larger molecule. Synonym: cystine bridge. (05 Mar 2000) |
| cystine calculus | A calculus composed of cystine, soft and faintly radiopaque. (05 Mar 2000) |
| cystine desulfhydrase | <enzyme> A multifunctional pyridoxal phosphate enzyme. In the final step in the biosynthesis of cysteine it catalyses the cleavage of cystathionine to yield cysteine, ammonia, and 2-ketobutyrate. Chemical name: L-Cystathionine cysteine-lyase (deaminating) Registry number: EC 4.4.1.1 (12 Dec 1998) |
| cystine disease | Lysosomal storage disorders of unknown molecular defect, characterised by widespread deposition of cystine crystals in reticuloendothelial cells. (12 Dec 1998) |
| cystine lyase | <enzyme> An enzyme catalyzing the hydrolysis of l-cystathionine to pyruvate, l-homocysteine, and NH3. See: cystathionine gamma-lyase. Synonym: beta-cystathionase, cystine lyase. (05 Mar 2000) |
| cystine storage disease | Lysosomal storage disorders of unknown molecular defect, characterised by widespread deposition of cystine crystals in reticuloendothelial cells. (12 Dec 1998) |
| L-cysteine-cystine C-S lyase | <enzyme> C-des - cysteine desulfhydrase; a pyridoxal phosphate- containing enzyme from synechocystis involved information of fe-s cluster of ferredoxin; catalyses the breakdown of l-cysteine to yield sulfide, pyruvate and ammonia; increased activity with cystine, yielding cysteine persulfide as the primary product; mw about 43 kD Registry number: EC 4.4.1.- Synonym: c-des lyase (26 Jun 1999) |
| agar | <cell culture, chemical, microbiology> This gelatinous material, an extract from red algae (mainly Gelidium and Gracilaria species), is most frequently used as a culture medium, especially for bacteria. It is also used as a thickener in foods, but humans cannot digest it. (06 May 1997) |
| agar-gel reaction | <immunology> The reaction between an antibody and an antigen during an immunology lab procedure where the two are allowed to diffuse toward each other through an agar-gel medium. Lines of precipitation form in the places on the gel where the two react with each other and shows where the reaction has occurred. (09 Oct 1997) |
| ascitic agar | A form of serum agar. (05 Mar 2000) |
| bile salt agar | An agar medium containing lactose, peptone, sodium taurocholate, and neutral red, for the growth and isolation of Gram-negative rods. (05 Mar 2000) |
| birdseed agar | Media prepared from Guizottia abyssinica seeds used in culturing and in the presumptive diagnosis of Cryptococcus neoformans. (05 Mar 2000) |
| cystine trypticase agar |
an agar medium containing cystine, pancreatic digest of casein, sodium chloride, sodium sulfite, and phenol red, an aerobic differential medium for the general culture of pathogenic bacteria, including fastidious organisms. It may be supplemented with specific sugars and used to test fermentation reactions in Neisseria species.
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