conjoined twins


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con·joined twins

monozygotic twins with varying extent of union and different degrees of residual duplication. The various types of union are named by the use of a prefix designating the region that is united and adding the suffix -pagus, meaning joined (for example, craniopagus [united by the heads], thoracopagus [united in thoracic region]); the various types of residual duplication are named by designating the parts duplicated and adding the suffix -didymus, or -dymus, meaning twin (for example, cephalodidymus, cephalodymus).

conjoined twins

two fetuses developed from the same ovum who are physically united at birth. The defect ranges from a superficial anatomical union of varying extent between equally or nearly equally formed fetuses to one in which only a part of the body is duplicated or in which a small, incompletely developed fetus, or parasite, is attached to a more fully formed one, the autosite. Conjoined twins result when separation of the blastomeres in early embryonic development does not occur until a late cleavage phase and is incomplete, causing the fused condition. Viability depends on the extent of the fusion and the degree of development of the fetuses. See also Siamese twins.
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Conjoined twins at 12 weeks of development

con·joined twins

(kon-joynd' twinz)
Monozygotic twins with varying extent of union and different degrees of residual duplication. The various types of union are named by the use of a prefix designating the region that is united and adding the suffix -pagus, meaning fused (e.g., craniopagus, thoracopagus); the various types of residual duplication are named by designating the parts duplicated and adding the suffix -didymus, or -dymus, meaning twin (e.g., cephalodidymus, cephalodymus).

conjoined

joined together.

conjoined monsters
two deformed fetuses fused together.
conjoined twins
see conjoined twins.
References in periodicals archive ?
Provisional diagnosis was 25 years old G3P2L1D1 with 28 weeks +3 weeks gestation with single heart conjoined twins with AV septal defect with polyhydramnios with previous two caesarean sections.
Forced traction was applied to effect delivery of fetus, but was futile, hence further deep and detailed examination of fetus following its repulsion was done, revealing some additional lateral growth, simulating rib cage of another conjoined twin fetus, on right side of rib cage of fetus already in birth canal and it was locking the fetus at pelvic inlet when traction was applied.
Conclusions: Accurate preoperative evaluation, respiratory and circulatory management, and close cooperation of the multidisciplinary team are important aspects of anesthetic management of conjoined twins surgery.
Thoracopagus conjoined twins with a fused heart always have complex abnormal cardiac anatomy (4-7).
Manama: The parents of Reem and Rana, the Saudi conjoined twin sisters who were last week successfully separated through a lengthy and complex surgery, were finally able to touch them and hold their tiny heads and hands.
Laura, then aged 18, was the world's youngest mum of conjoined twins.
Edward Kiely, consultant paediatric, has said his surgical staff were the most experienced in Europe at assessing and separating conjoined twins.
A spokeswoman for Great Ormond Street was unable to give statistics on the number of conjoined twins born but said their births were "extremely rare".
Thoracopagus twins are conjoined twins united at the thorax, facing each other, often with partly fused or compromised hearts.
Body Shock, The World's Oldest Conjoined Twins TV3 - Tuesday, 10pm
The operating team was led by the country's newly named Minister of Health Abdullah Al-Rabia, famed for his operations to separate conjoined twins.
Conjoined twins are rare variants of monozygotic twins.