| bifid | Divided, for about half the length, into two parts. Compare: bipartite. (09 Oct 1997) |
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| bifid cranium | <medicine> Hernia of the brain. Origin: Gr. The brain + tumour. Source: Websters Dictionary (01 Mar 1998) |
| bifid penis | A rare congenital anomaly in which the penis is partly or completely duplicated; may be symmetrical, or placed one above the other; often there are associated urogenital or other anomalies; occurs when two genital tubercles develop. May also be associated with exstrophy of the urinary bladder. Synonym: bifid penis. Origin: G. Di-, two, + phallos, penis (05 Mar 2000) |
| bifid rib | One in which the body bifurcates. (05 Mar 2000) |
| bifid thumb | A congenital malformed thumb where the distal phalanx is divided. (05 Mar 2000) |
| bifid tongue | A structural defect of the tongue in which the extremity is divided longitudinally for a greater or lesser distance. See: diglossia. Synonym: cleft tongue. (05 Mar 2000) |
| bifid uterus | A uterus that is more or less completely divided into two lateral horns as a result of imperfect fusion of the paramesonephric ducts; it differs from septate uterus, in which there is no external mark of separation; in uterus bicornis, the cervix may be single (uterus bicornate unicollis) or double (uterus bicornate bicollis). Synonym: bifid uterus, uterus bicornis, uterus bifidus. (05 Mar 2000) |
| bifid uvula | The uvula, the little V-shaped fleshy mass hanging from the back of the soft palate, is cleft or split. Cleft uvula is a common minor anomaly occurring in about 1% of whites and 10% of Native Americans. Persons with a cleft uvula should not have their adenoids removed because, without the adenoids, they cannot achieve proper closure between the soft palate and pharynx while speaking and develop hypernasal speech. (12 Dec 1998) |
| bifidobacterium | A rod-shaped, gram-positive, non-acid-fast, non-spore-forming, non-motile bacterium that is a genus of the family actinomycetaceae. It inhabits the intestines and feces of humans as well as the human vagina. (12 Dec 1998) |
| bifidus factor | An unidentified substance associated with Lactobacillus bifidus subsp. Pennsylvanicus, present in mammalian milk. (05 Mar 2000) |
| bifilar | Two-threaded; involving the use of two threads; as, bifilar suspension; a bifilar balance. Bifilar micrometer (often called a bifilar), an instrument form measuring minute distances or angles by means of two very minute threads (usually spider lines), one of which, at least, is movable; more commonly called a filar micrometer. Source: Websters Dictionary (01 Mar 1998) |
| biflabellate | <zoology> Flabellate on both sides. Source: Websters Dictionary (01 Mar 1998) |
| biflagellate | Having two long, narrow, whiplike appendages. Source: Websters Dictionary (01 Mar 1998) |
| biflorous | <botany> Bearing two flowers; two-flowered. Origin: L. Bis twice + flos, floris, flower. Source: Websters Dictionary (01 Mar 1998) |
| bifocal | Having two foci. (05 Mar 2000) |