| Claudius' fossa | A depression in the parietal peritoneum of the pelvis; it is bounded in front by the obliterated umbilical artery, and behind by the ureter and the uterine vessels; it lodges the ovary. Synonym: fossa ovarica, Claudius' fossa. (05 Mar 2000) |
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| Clausen | <syndrome> An osteochondrodysplasia that clinically resembles Morquio's syndrome, but without excretion of mucopolysaccharides; characterised by mental retardation, short stature, progressive sternal bulging, flattening of vertebral bodies and iliac crests, shortening of metacarpals, and changes in long bones; autosomal recessive inheritance, but there is an X-linked form. Dyskinesia, clearance of mucus is sluggish and bronchiectasis is prevalent and intractable. There is evidence that the defect lies in dynein, a protein in the cilia. The pattern of inheritance is apparently autosomal recessive however multiple versions may exist. (05 Mar 2000) |
| claustra | Plural of claustrum. (05 Mar 2000) |
| claustral | Relating to the claustrum. (05 Mar 2000) |
| claustral layer | The layer of subcortical gray matter between the external capsule and the white matter of the insula or extreme capsule. (05 Mar 2000) |
| claustrophobia | <psychology> Morbid fear of confined or closed-in places. Origin: Gr. Phobos = fear (16 Mar 1998) |
| claustrophobic | <psychology> An unexplained fear of tight or closed in spaces. Origin: Gr. Phobos = fear (27 Sep 1997) |
| claustrum | 1. One of several anatomical structures bearing a resemblance to a barrier. 2. A thin, vertically placed lamina of gray matter lying close to the putamen, from which it is separated by the external capsule. Claustrum consists of two parts: 1) an insular part and 2) a temporal part between putamen and the temporal lobe. Cells of the claustrum have reciprocal connections with sensory areas of the cerebral cortex. Origin: L. Barrier (05 Mar 2000) |
| claustrum oris | An obsolete term for soft palate. (05 Mar 2000) |
| claustrum virginale | An obsolete term for hymen. (05 Mar 2000) |
| clausura | Synonym: atresia. Origin: L. A lock, bolt, fr. Claudo, to close (05 Mar 2000) |
| clava | Synonym: tubercle of gracile nucleus. Origin: L. A club (05 Mar 2000) |
| claval | Relating to the clava. (05 Mar 2000) |
| clavaminate synthase | <enzyme> From streptomyces clavuligerus; convers proclavaminic acid to clavaminic acid in a reaction requiring fe(2+), alpha-ketoglutarate, and oxygen Registry number: EC 1.14.11.- Synonym: clavaminic acid synthase (26 Jun 1999) |
| clavata | <plant biology> Club-shaped, having the form of a club, growing gradually thicker toward the top, as certain parts of a plant. (09 Oct 1997) |