| cardiac pacing, artificial | Regulation of the rate of contraction of the heart muscles by an artificial pacemaker. (12 Dec 1998) |
|---|---|
| pacing catheter | A cardiac catheter with one or more electrodes at its tip which can be used to artificially pace the heart. (05 Mar 2000) |
| underdrive pacing | Electrical stimulation of the heart at a rate lower than that of an existing tachycardia; designed to capture the heart between beats, i.e., to interrupt a reentry pathway in order to terminate the tachycardia. (05 Mar 2000) |
| paired | Developmentally regulated gene in Drosophila that contains the paired box domain. (18 Nov 1997) |
| paired allosome | Paired allosomes; the pair of centrioles of mammalian cells. Synonym: paired allosome. Origin: diplo-+ G. Soma, body (05 Mar 2000) |
| paired-associate learning | Learning in which the subject must respond with one word or syllable when presented with another word or syllable. (12 Dec 1998) |
| paired associates | Words, syllables, digits, or other items learned in pairs, so that when one is given, its associate is to be recalled. (05 Mar 2000) |
| paired beats | See: bigeminy. (05 Mar 2000) |
| paired box domain | <molecular biology> Conserved domain of 128 amino acids, found in several developmentally regulated proteins in Drosophila (for example paired, gooseberry, Pox), mouse and human (for example Pax, HuP1, HuP48). (18 Nov 1997) |
| paired organelles | Electron-dense club-shaped, tubular or saccular organelles extending back from the anterior end of sporozoites and other stages of certain sporozoans in the subphylum Apicomplexa. Synonym: paired organelles, toxoneme. Origin: G. Rhopalon, club (05 Mar 2000) |