| Prader, Andrea | <person> Swiss paediatrician, *1919. See: Prader-Willi syndrome. (05 Mar 2000) |
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| prader-willi syndrome | <syndrome> A condition in children with floppiness (hypotonia), obesity, small hands and feet and mental retardation. It is due to loss of part or all of chromosome 15, specifcally the chromosome 15 from the father. The fat and red-faced boy in a state of somnolency described by charles dickens in his novel the pickwick papers is thought by some to have had prader-willi syndrome. (the same boy inspired the naming of the pickwickian syndrome). (12 Dec 1998) |
| praecava | <anatomy> The superior vena cava. Prae"caval. Origin: NL. See Pre-, and 1st Cave. Source: Websters Dictionary (01 Mar 1998) |
| praecoces | <ornithology> A division of birds including those whose young are able to run about when first hatched. Origin: NL. See Precocious. Source: Websters Dictionary (01 Mar 1998) |
| praecocial | <zoology> Of or pertaining to the Praecoces. Source: Websters Dictionary (01 Mar 1998) |
| praecommissure | <anatomy> A transverse commissure in the anterior part of the third ventricle of the brain; the anterior cerebral commissure. Origin: Pref. Prae + commissure. Source: Websters Dictionary (01 Mar 1998) |
| praecoracoid | <anatomy> See Precoracoid. Source: Websters Dictionary (01 Mar 1998) |
| praecordia | <anatomy> The front part of the thoracic region; the epigastrium. Origin: L, fr. Prae = before + cor, cordis, the heart. Source: Websters Dictionary (01 Mar 1998) |
| praecordial | <anatomy> Same as Precordial. Source: Websters Dictionary (01 Mar 1998) |
| praecornu | Origin: NL. See Pre-, and Cornu. <anatomy> The anterior horn of each lateral ventricle of the brain. Source: Websters Dictionary (01 Mar 1998) |
| praemorse | Appearing bitten off at the end. (09 Oct 1997) |
| praenares | <anatomy> The anterior nares. See Nares. Origin: NL. See Pre-, Nares. Source: Websters Dictionary (01 Mar 1998) |
| praenasal | <anatomy> Same as Prenasal. Source: Websters Dictionary (01 Mar 1998) |
| praeoperculum | <anatomy> Same as Preoperculum. Praeoper"cular. Source: Websters Dictionary (01 Mar 1998) |
| praeterist | See Preterist. Source: Websters Dictionary (01 Mar 1998) |