| harle | <zoology> The red-breasted merganser. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| harlech group | <geology> A minor subdivision at the base of the Cambrian system in Wales. Origin: So called from Harlech in Wales. Source: Websters Dictionary (01 Mar 1998) |
| harlequin chromosome | <cell biology> A chromosome which, when stained, produces a banded pattern of alternating light and dark segments (also called a harlequin pattern). It is made by treating a cell with 5'-bromodeoxyuridine, the chemical incorporates into the cells DNA and when stained is lighter than the DNA around it. (09 Oct 1997) |
| harlequin eye | <radiology> Neurofibromatosis, dysplastic greater wing of sphenoid, plagiocephaly, focal calvarial expansion, subdural bleed, brain tumour (12 Dec 1998) |
| harlequin foetus | A severe autosomal recessive form of collodian baby in a newborn, usually premature, infant; i.e., a form of ichthyosiform erythroderma characterised by encasement of the body in grayish brown, often fissured plaques resembling plates of armor, and by grotesque deformity of the face, hands, and feet; usually fatal within a few days, although treatment with 13-cis-retinoic acid has been successful in some cases. Synonym: ichthyosis foetalis. (05 Mar 2000) |
| harlequin ichthyosis | Foetal form of ichthyosis distinct from lamellar ichthyosis in its patchy character and the poor prospect of the patient surviving the neonatal period. (05 Mar 2000) |
| harlequin reaction | Sudden blanching of the lower half of the body of an infant lying on its side, leaving the remaining half of the body the normal pink colour. (05 Mar 2000) |