| bigemina | A pulse in which the beats occur in pairs. Synonym: bigemina, coupled pulse, pulsus bigeminus. (05 Mar 2000) |
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| bigeminal | Paired; double; twin. (05 Mar 2000) |
| bigeminal bodies | A bilateral single swelling of the roofplate of the embryonic midbrain that later in development becomes subdivided into a superior and an inferior colliculus. See: quadrigeminal bodies. Synonym: corpora bigemina. (05 Mar 2000) |
| bigeminal pregnancy | A pregnancy that may result from the fertilization of two separate ova or of a single ovum. See: twin. Synonym: bigeminal pregnancy. (05 Mar 2000) |
| bigeminal pulse | A pulse in which the beats occur in pairs. Synonym: bigemina, coupled pulse, pulsus bigeminus. (05 Mar 2000) |
| bigeminal rhythm | That cardiac rhythm when each beat of the dominant rhythm (sinus or other) is followed by a premature beat, with the result that the heartbeats occur in pairs (bigeminy). Synonym: coupled rhythm. (05 Mar 2000) |
| bigemini | Pairing; especially, the occurrence of heart beats in pairs. Synonym: bigemini. Origin: bi-+ L. Geminus, twin (05 Mar 2000) |
| bigeminum | One of the corpora bigemina. Origin: L. Ntr. Of bigeminus, doubled (05 Mar 2000) |
| bigeminy | Pairing; especially, the occurrence of heart beats in pairs. Synonym: bigemini. Origin: bi-+ L. Geminus, twin (05 Mar 2000) |
| bigential | <zoology> Including two tribes or races of men. Origin: Pref. Bi- + L. Gens, gentis, tribe. Source: Websters Dictionary (01 Mar 1998) |
| bigerminal | Relating to two germs or ova. (05 Mar 2000) |
| bigeye | <zoology> A fish of the genus Priacanthus, remarkable for the large size of the eye. Source: Websters Dictionary (01 Mar 1998) |
| bigg | <botany> Barley, especially the hardy four-rowed kind. ""Bear interchanges in local use, now with barley, now with bigg."" (new English Dict) Origin: OE. Bif, bigge; akin to Icel. Bygg, Dan. Byg, Sw. Bjugg. Source: Websters Dictionary (01 Mar 1998) |
| biggin | A child's cap; a hood, or something worn on the head. "An old woman's biggin for a nightcap." (Massinger) Origin: F. Beguin, prob. From the cap worn by the Beguines. Cf. Beguine, Biggon. Source: Websters Dictionary (01 Mar 1998) |
| bighorn | <zoology> The Rocky Mountain sheep (Ovis or Caprovis montana). Source: Websters Dictionary (01 Mar 1998) |