| BN | bladder neck; branchial neuritis; bronchial node; brown Norway [rat]; bulimia nervosa |
|---|---|
| BR | barrier reared [experimental animals]; baseline recovery; bathroom; bed rest; bedside rounds; biliru... |
| br | boiling range; brachial; branch; branchial; breath; brother |
| ABC | absolute basophil count; absolute bone conduction; acalculous biliary colic; acid balance control; a... |
| ACMF | arachnoid cyst of the middle fossa |
| anal cleft | The sulcus between the buttocks (nates). Synonym: crena ani, anal cleft, crena clunium, gluteal cleft. (05 Mar 2000) |
|---|---|
| palate, cleft | An opening in the roof of the mouth, due to a failure of the palatal shelves to come fully together from either side of the mouth and fuse during embryonic development. (12 Dec 1998) |
| gingival cleft | A fissure associated with pocket formation and lined by mixed gingival and pocket epithelium. (05 Mar 2000) |
| visceral cleft | Any cleft between two branchial (visceral) arches in the embryo. (05 Mar 2000) |
| median maxillary anterior alveolar cleft | <anatomy> An asymptomatic midline defect of the maxillary anterior ridge; the result of a failure of fusion or development of the lateral halves of the palate. (05 Mar 2000) |
| gluteal cleft | The sulcus between the buttocks (nates). Synonym: crena ani, anal cleft, crena clunium, gluteal cleft. (05 Mar 2000) |
| residual cleft | The remnants of the pituitary diverticulum that occur between the pars distalis and pars intermedia; a distinct lumen is present in some animals, but, in humans, is present only during prenatal development and sometimes in young children. Synonym: residual lumen. (05 Mar 2000) |
| cholesterol cleft | A space caused by the dissolving out of cholesterol crystals in sections of tissue embedded in paraffin. (05 Mar 2000) |
| cleft | A fissure. (05 Mar 2000) |
| cleft hand | A congenital deformity in which the division between the fingers, especially between the third and fourth, extends into the metacarpal region. See: lobster-claw deformity. Synonym: main fourchee, split hand. (05 Mar 2000) |
| cleft lip | <embryology, paediatrics> A genetic disorder that results in the failure of fusion in the upper lip. Also seen commonly in association with cleft palate. (13 Nov 1997) |
| cleft nose | A nose with a furrow where the bridge is normally present; due to failure of complete convergence of the paired primordia. (05 Mar 2000) |
| cleft palate | <embryology, paediatrics> A congenital fissure in the roof of the mouth forming a communication between the nasal passages and the oral cavity. (13 Nov 1997) |
| cleft spine | See: spina bifida. (05 Mar 2000) |
| cleft 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) |