| 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) |
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| 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) |
| harlequin color change |
transient reddening of one half of the body longitudinally with simultaneous blanching of the other half; a temporary vasomotor disorder of the newborn.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| harlequin fetus |
Harlequin type ichthyosis, the most severe form of congenital ichthyosis, is characterized by a thickening of the keratin layer in fetal skin. The afflicted child is born not with skin, but massive, diamond-shaped scales. As well, the eyes, ears, mouth, and other appendages can be abnormally contracted. The scaly armor limits the child's movement, and because it is cracked where normal skin would fold, it is useless for skin's primary function -- protection. ...
Ãâó: en.wikipedia.org/wiki/Harlequin_fetus
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| harlequin sign |
reddening of the lower half of the laterally recumbent body and blanching of the upper half, due to temporary vasomotor disturbance in newborn infants.
Ãâó: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| harlequin color change |
a normal change in a newborn baby's color due to immaturity of the circulation. homocystinuria - an inherited disorder caused by a deficiency of an enzyme necessary to digest an amino acid. hyperbilirubinemia - the build-up of bilirubin in the blood. hypoglycemia - a condition in which the amount of blood glucose (sugar) is lower than normal. hypospadias - a birth defect in which the male urethral (urine tube) opening is not located at the tip of the penis. ...
Ãâó: www.chw.org/display/PPF/DocID/3336/router.asp
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| harlequin |
1. a person or animal decorated like Harlequin, an old stock character in European comedies who wore colorful checkered clothing. 2. coral snake.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Harlequin | a clown or buffoon (after the Harlequin character in the commedia dell'arte) |
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| Harlequin | variegate with spots or marks |
| Harlequin | a reddish opal with small patches of brilliant color |
| Harlequin | any of several venomous New World snakes brilliantly banded in red and black and either yellow or white |
| Harlequin | acting like a clown or buffoon |
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