| 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) |
| cleft uvula | The uvula, the little V-shaped fleshy mass hanging from the back of the soft palate, is cleft. 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. Also called bifid uvula. (12 Dec 1998) |
| cleidagra | Rarely used term for a sudden severe pain in the clavicle, resembling gout. Origin: cleid-+ G. Agra, seizure (05 Mar 2000) |
| cleidal | Relating to the clavicle. Synonym: clidal. (05 Mar 2000) |
| cleido- | The clavicle; also spelled clido-, clid-. Origin: G. Kleis, bar, bolt (05 Mar 2000) |
| cleidocostal | Relating to the clavicle and a rib. Synonym: clidocostal. Origin: cleido-+ L. Costa, rib (05 Mar 2000) |
| cleidocranial | Relating to the clavicle and the cranium. Synonym: clidocranial. Origin: G. Kleis, clavicle, + kranion, cranium (05 Mar 2000) |
| cleidocranial dysostosis | <paediatrics> An inherited disorder of bone development transmitted with an autosomal dominant pattern. Characteristics include absent or incompletely formed collar bones, dental abnormalities, joint laxity and a characteristic facial appearance (heavy brow, protruding jaw, wide nasal bridge and malaligned teeth). Inheritance: autosomal dominant. (27 Sep 1997) |
| cleidocranial dysplasia | <paediatrics> An inherited disorder of bone development transmitted with an autosomal dominant pattern. Characteristics include absent or incompletely formed collar bones, dental abnormalities, joint laxity and a characteristic facial appearance (heavy brow, protruding jaw, wide nasal bridge and malaligned teeth). Inheritance: autosomal dominant. Origin: Gr. Plassein = to form (27 Sep 1997) |
| cleistogamous | <botany> Of flowers: self-pollinating and setting fertile seed but never opening. (13 Nov 1997) |