| ssDNA phage | <molecular biology> Single strand DNA phages such as MS2, FX174, as opposed to double stranded DNA phages or RNA phages. (10 Mar 1998) |
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| stiff-tailed | <zoology> Having the quill feathers of the tail somewhat rigid. Source: Websters Dictionary (01 Mar 1998) |
| stump-tailed | Having a short, thick tail. <zoology> Stump-tailed lizard, a singular Australian scincoid lizard (Trachydosaurus rugosus) having a short, thick tail resembling its head in form. Synonym: sleeping lizard. Source: Websters Dictionary (01 Mar 1998) |
| defective phage | A temperate bacteriophage mutant whose genome does not contain all of the normal components and cannot become fully infectious virus, yet can replicate indefinitely in the bacterial genome as defective probacteriophage; many defective bacteriophage's are mediators of transduction. Synonym: defective phage. (05 Mar 2000) |
| swallow-tailed | 1. Having a tail like that of a swallow; hence, like a swallow's tail in form; having narrow and tapering or pointed skirts; as, a swallow-tailed coat. 2. United by dovetailing; dovetailed. Swallow-tailed duck, a European moth (Urapteryx sambucaria) having tail-like lobes on the hind wings. Source: Websters Dictionary (01 Mar 1998) |
| q beta phage | <molecular biology> A single-stranded RNA phage that specifically infects enterobacteria containing the f plasmid. It is widely used to study RNA phage and bacterial cell function. (10 Oct 1997) |
| temperate phage | A bacteriophage that integrates its DNA into that of the host (lysogeny) as opposed to virulent phages that lyse the host. (18 Nov 1997) |
| T even phage | <microbiology> A group of dsDNA bacteriophages of enterobacteria including T2, T4, T6 as opposed to T odd phage (T1, 3, 5 and 7) (18 Nov 1997) |
| fan-tailed | <zoology> Having an expanded, or fan-shaped, tail; as, the fan-tailed pigeon. Source: Websters Dictionary (01 Mar 1998) |
| lambda phage | <virology> Bacterial DNA virus, first isolated from E. Coli. Its structure is similar to that of the T even phages. Lambda genetic material consists of a double-stranded DNA molecule with 5' twelve-base-pair sticky ends, known as cos sites, which permit circularisation of the DNA molecule. It shows a lytic cycle and a lysogenic cycle and studies on the control of these alternative cycles have been very important for our understanding of the regulation of gene transcription. It is used as a cloning vector, accommodating fragments of DNA up to 15 kilobase pairs long. For larger pieces, the cosmid vector was constructed from its ends. (14 Mar 2000) |
| fork-tailed | <ornithology> Having the outer tail feathers longer than the median ones; swallow-tailed; said of many birds. Fork-tailed flycatcher, a graceful American kite (Elanoides forficatus). Synonym: swallow-tailed kite. Source: Websters Dictionary (01 Mar 1998) |
| four-tailed bandage | A strip of cloth split in two except for a central portion placed under the chin, with four tails tied over the head; used to limit motion of the mandible. (05 Mar 2000) |
| lytic phage | A bacteriophage (virus which infects bacteria) that can only follow the lytic pathway to completing its lytic cycle, and does not have the mechanisms to enter the lysogenic pathway. (09 Oct 1997) |