| CR Length | Crown to Rump Length |
|---|---|
| CRL | Crown-Rump Length |
| AlCr | aluminum crown |
| CCEI | Crown-Crisp Experimental Index |
| CH | case history; Chediak-Higashi [syndrome]; chiasma; Chinese hamster; chloral hydrate; cholesterol; Ch... |
| CCEI | Crown Crisp Experiential Index |
|---|---|
| CRL | Crown rump length |
| CHL | Crown-heel length |
| CR | Crown-rump |
| crown of Venus | Papular lesions of secondary syphilis on the forehead near the hair margin. See: collar of Venus. (05 Mar 2000) |
|---|
| venus | 1. The goddess of beauty and love, that is, beauty or love deified. 2. <anatomy> One of the planets, the second in order from the sun, its orbit lying between that of Mercury and that of the Earth, at a mean distance from the sun of about 67,000,000 miles. Its diameter is 7,700 miles, and its sidereal period 224.7 days. As the morning star, it was called by the ancients Lucifer; as the evening star, Hesperus. 3. <chemistry> The metal copper; probably so designated from the ancient use of the metal in making mirrors, a mirror being still the astronomical symbol of the planet Venus. 4. <zoology> Any one of numerous species of marine bivalve shells of the genus Venus or family Veneridae. Many of these shells are large, and ornamented with beautiful frills; others are smooth, glossy, and handsomely coloured. Some of the larger species, as the round clam, or quahog, are valued for food. <botany> Venus's basin Any heteropod shell of the genus Carinaria. See Carinaria. Origin: L. Venus, -eris, the goddess of love, the planet Venus. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| collar of Venus | An obsolete term for syphilitic leukoderma involving the anterior neck and chest. (05 Mar 2000) |
| necklace of Venus | An obsolete term for syphilitic leukoderma. (05 Mar 2000) |
| anatomical crown | The portion of a tooth covered with enamel. Synonym: corona dentis, anatomical crown. (05 Mar 2000) |
| artificial crown | A fixed restoration of the major part of the entire coronal part of a natural tooth; usually of gold, porcelain, or acrylic resin. (05 Mar 2000) |
| bell-shaped crown | A crown of a tooth with an exaggerated occlusogingival contour; human deciduous molars typify the bell-shaped crown. (05 Mar 2000) |
| radiate crown | A fan-shaped fibre mass on the white matter of the cerebral cortex, composed of the widely radiating fibres of the internal capsule; a single layer of columnar cells derived from the cumulus oophorus, which anchor on the pellucid zone of the oocyte in a secondary follicle. Synonym: radiate crown. (05 Mar 2000) |
| ciliary crown | The circular figure on the inner surface of the ciliary body, formed by the processes and folds (plicae) taken together. Synonym: ciliary crown, ciliary wreath. (05 Mar 2000) |
| clinical crown | That part of the crown of a tooth visible in the oral cavity. Synonym: corona clinica. (05 Mar 2000) |
| crown | The part of a tree or shrub above the level of the lowest branch. (09 Oct 1997) |
| crown angulation | <dentistry> A tooth movement in which the root of the tooth is tipped forward or backward to correct the angle of the crown. (08 Jan 1998) |
| crown cavity | The space within the crown of a tooth continuous with the root canal. Synonym: cavitas coronalis, cavum coronale. (05 Mar 2000) |
| crown flask | A sectional metal boxlike case in which a sectional mold is made of plaster of Paris or artificial stone for the purpose of compressing and curing dentures or other resinous restorations. Synonym: crown flask. (05 Mar 2000) |
| crown gall | Gall or tumour, found in many dicotyledonous plants, caused by the bacterium Agrobacterium tumefaciens. (18 Nov 1997) |
| crown gall plasmid | A plasmid, or type of circular DNA, found in the bacteria Agrobacterium tumefaciens which infects dicot plants. Part of the plasmid inserts itself into the plant genome and causes tumours to form in the roots or in the stems nearest the roots. The plasmid has been used by geneticists, minus the tumour-causing parts, as a vector towards the genetic engineering of plants. (09 Oct 1997) |
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