| tail vertebrae | The four terminal segments of the vertebral column, usually fused to form the coccyx. Synonym: vertebrae coccygeae, tail vertebrae. (05 Mar 2000) |
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| 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) |
| advanced life support | Definitive emergency medical care that includes defibrillation, airway management, and use of drugs and medications. Compare: basic life support. (05 Mar 2000) |
| artificial life | Artificial life (AL, alife) is a scientific discipline in whichresearchers study life by creating computer programs that recreatebiological systems from scratch. (09 Oct 1997) |
| basic life support | Emergency cardiopulmonary resuscitation, control of bleeding, treatment of shock, acidosis, and poisoning, stabilization of injuries and wounds, and basic first aid. (05 Mar 2000) |
| biological half-life | <biochemistry, biology> This is the time required for one-half of the total amount of a particular substance in a biological system to be consumed or broken down by biological processes when the rate of removal is approximately exponential. Toxic chemicals with a long biological half-life (such as some pesticides) will tend to accumulate in the body and are, therefore, more likely to be harmful. A substance with a short biological half-life may still accumulate if a portion of it it becomes tightly bound to bone or other tissues, even if most of it is quickly cleared from the body. (21 Mar 1998) |
| vegetative life | The simple metabolic and reproductive activity of humans or animals, apart from the exercise of conscious mental or psychic processes. (05 Mar 2000) |
| germ-free life | Animals not contaminated by or associated with any foreign organisms. (12 Dec 1998) |
| change of life | Colloquialism for menopause, climacteric. (05 Mar 2000) |