| 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) |
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| 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 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) |
| appendages of the foetus | Amnion, yolk sac, and the foetal (chorionic) part of the placenta together with the umbilical cord. (05 Mar 2000) |
| campylobacter foetus | A species of bacteria present in man and many kinds of animals and birds, often causing infertility and/or abortion. (12 Dec 1998) |
| Campylobacter foetus jejuni | Former name for Campylobacter jejuni. (05 Mar 2000) |
| Campylobacter foetus venerealis | A subspecies causing a venereal disease of cattle characterised by infertility and early embryonic death. (05 Mar 2000) |
| Vibrio foetus | <bacteria> Former name for Campylobacter foetus. (05 Mar 2000) |
| dead foetus syndrome | <obstetrics, syndrome> A syndrome characterised by lengthy intrauterine retention of a dead foetus usually greater than 4 weeks with development of hypofibrinogenaemia and occasionally disseminated intravascular coagulopathy. (05 Mar 2000) |
| impacted foetus | A foetus which, because of its large size or narrowing of the pelvic canal, has become wedged and incapable of spontaneous advance or recession. (05 Mar 2000) |
| Trichomonas foetus | Former name for Tritrichomonas foetus. (05 Mar 2000) |
| tritrichomonas foetus | A species of flagellate parasitic protozoa. It possesses a long undulating membrane that is bordered on its outer margin by a flagellum that becomes free posteriorly. This organism causes infections in cows that could lead to temporary infertility or abortion. (12 Dec 1998) |
| foetus | <biology, embryology, obstetrics> A developing unborn offspring of an animal that gives birth to its young (as opposed to laying eggs). From approximately three months after conception the offspring take on a recognisable form (all parts in place, etc.). In human development, the period after the seventh or eighth week of pregnancy is the foetal period. (12 Nov 1997) |
| foetus in fetu | Condition in which a small, imperfectly formed foetus is contained within a foetus. (05 Mar 2000) |