| tail of helix | A flattened process terminating the cartilage of the helix of the ear, posteriorly and inferiorly. Synonym: cauda helicis. (05 Mar 2000) |
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| tail of pancreas | The left extremity of the pancreas within the lienorenal ligament. Synonym: cauda pancreatis. (05 Mar 2000) |
| tail sheath | The protoplasmic envelope in the tail of a spermatozoon. (05 Mar 2000) |
| tail-specific protease | <enzyme> Selectively degrades proteins with nonpolar c termini Registry number: EC 3.4.99.- Synonym: tsp protease, prc protein, prc gene product (26 Jun 1999) |
| tail vertebrae | The four terminal segments of the vertebral column, usually fused to form the coccyx. Synonym: vertebrae coccygeae, tail vertebrae. (05 Mar 2000) |
| teeter-tail | <zoology> The spotted sandpiper. See the Note under Sandpiper. Source: Websters Dictionary (01 Mar 1998) |
| triple-tail | <zoology> An edible fish (Lobotes Surinamensis) found in the warmer parts of all the oceans, and common on the southern and middle coasts of the United States. When living it is silvery gray, and becomes brown or blackish when dead. Its dorsal and anal fins are long, and extend back on each side of the tail. It has large silvery scales which are used in the manufacture of fancy work. Synonym:, locally, black perch, grouper, and flasher. Source: Websters Dictionary (01 Mar 1998) |
| two-tail test | A statistical test based on the assumption that the data are distributed in both directions from some central value. (05 Mar 2000) |
| faun tail nevus | A circumscribed growth of hair of the lumbosacral area, associated with diastematomyelia. (05 Mar 2000) |
| fish-tail | Like the of a fish; acting, or producing something, like the tail of a fish. Fish-tail burner, a gas burner that gives a spreading flame shaped somewhat like the tail of a fish. Fish-tail propeller, a propeller with a single blade that oscillates like the tail of a fish when swimming. Source: Websters Dictionary (01 Mar 1998) |
| lion's tail | <botany> A genus of labiate plants (Leonurus); so called from a fancied resemblance of its flower spikes to the tuft of a lion's tail. L. Cardiaca is the common motherwort. Source: Websters Dictionary (01 Mar 1998) |
| lizard's tail | <botany> A perennial plant of the genus Saururus (S. Cernuus), growing in marshes, and having white flowers crowded in a slender terminal spike, somewhat resembling in form a lizard's tail; whence the name. Source: Websters Dictionary (01 Mar 1998) |
| accelerated reaction | A response occurring in a shorter time than expected; the cutaneous manifestations occurring during the period between the second and tenth day following smallpox vaccination; because it is intermediate between a primary reaction and an immediate reaction, it is regarded as evidence of some degree of resistance. Synonym: vaccinoid reaction. (05 Mar 2000) |
| acid reaction | Any test by which an acid reaction is recognised such as the change of blue litmus paper to red, an excess of hydrogen ions over hydroxide ions in aqueous solution indicated by a pH value less than 7 (at 22캜). Compare: dissociation constant of water. (05 Mar 2000) |
| acute-phase reaction | <immunology, rheumatology> Refers to the changes in synthesis of certain proteins within the serum during an inflammatory response, which provides rapid protection for the host against microorganisms via non-specific defense mechanisms. It consists of fever, an increase in inflammatory humoral factors, and an increased synthesis by hepatocytes of a number of proteins or glycoproteins usually found in the plasma; the reaction is mediated by endogenous pyrogens, the hypothalamus, adrenal hormones, and other factors. (12 Jul 2000) |