| tripeptidases | A class of enzymes of different specificities that catalyses the hydrolysis of tripeptides, producing a dipeptide and an amino acid. (05 Mar 2000) |
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| tripeptide | A compound containing three amino acids linked together by peptide bonds. (05 Mar 2000) |
| tripeptide aminopeptidase | <enzyme> Catalyses the hydrolysis of aminoacyl-dipeptide to yield an amino acid and dipeptide; cleaves exclusively unsubstituted tripeptides; formerly EC 3.4.1.3 Registry number: EC 3.4.11.4 Synonym: aminotripeptidase, leucylglycylglycine aminopeptidase (26 Jun 1999) |
| tripeptidyl aminopeptidase | <enzyme> Cleaves 11 tripeptides sequentially from the nh3 terminus of the phenylalanyl monomer of bovine gh Registry number: EC 3.4.- Synonym: tripeptidyl peptidase (26 Jun 1999) |
| tripestone | <chemical> A variety of anhydrite composed of contorted plates fancied to resemble pieces of tripe. Source: Websters Dictionary (01 Mar 1998) |
| tripetaloid | <botany> Having the form or appearance of three petals; appearing as if furnished with three petals. Origin: Pref. Tri- + petaloid. Source: Websters Dictionary (01 Mar 1998) |
| tripetalous | <botany> Having three petals, or flower leaves; three-petaled. Origin: Pref. Tri- + petalous: cf. F. Tripetale. Source: Websters Dictionary (01 Mar 1998) |
| triphalangia | Malformation in which three phalanges are present in the thumb or great toe. Origin: tri-+ phalanx (05 Mar 2000) |
| triphammer pulse | <radiology> Corrigan's sign: increased pulse at wrist, aortic insufficiency, widened pulse pressure due to increased stroke volume, diastolic regurgitation (12 Dec 1998) |
| triphane | <chemical> Spodumene. Origin: Gr. Appearing three-fold; (see Tri-) + to appear cf. F. Triphane. Source: Websters Dictionary (01 Mar 1998) |
| triphenylmethane dyes | A group of dye's that includes pararosanilin, as well as many others used in histology and cytology; employed as nuclear, cytoplasmic, and connective tissue stains; important in histochemistry as in the preparation of Schiff's reagent. (05 Mar 2000) |
| triphosphatase | <enzyme> A group of enzymes which catalyze the hydrolysis of ATP coupled with another function such as transporting calcium across a membrane. These enzymes may be dependent on calcium, magnesium, anions, h+, or DNA. Chemical name: ATP phosphohydrolase Registry number: EC 3.6.1.3 (12 Dec 1998) |
| triphosphopyridine nucleotide | Former name for nicotinamide adenine dinucleotide phosphate. (05 Mar 2000) |
| triphthong | Origin: Pref. Tri- + -phthong, as in diphthong: cf. F. Triphthonque A combination of three vowel sounds in a single syllable, forming a simple or compound sound; also, a union of three vowel characters, representing together a single sound; a trigraph; as, eye, -ieu in adieu, -eau in beau, are examples of triphthongs. Source: Websters Dictionary (01 Mar 1998) |
| triphylite | <chemical> A mineral of a grayish-green or bluish colour, consisting of the phosphates of iron, manganese, and lithia. A salmon-coloured or clove-brown variety containing but little iron is known as lithiophilite. Origin: Pref. Tri- + Gr. A family, class. So called in allusion to its containing three phosphates. Source: Websters Dictionary (01 Mar 1998) |