conjoined twins

conjoined twins

Identical twins (see multiple birth) whose embryos did not separate completely.

Conjoined twins are physically joined (typically along the trunk or at the front, side, or back of the head) and often share some organs. Symmetrical conjoined twins usually have no birth anomalies except at the areas of fusion and can sometimes be separated by surgery. In asymmetrical conjoined twins, one is fairly well developed, but the other is severely underdeveloped and dependent on the larger twin for nutrition. The underdeveloped twin may have to be surgically separated to save the larger twin. The term originally referred to Chang and Eng, born in 1811 in Siam, who were joined by a ligament from breastbone to navel. Widely exhibited, they married two sisters and fathered several children.

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  • conjoined twins — n pl twins that are physically united at some part or parts of their bodies at the time of birth * * * see Siamese twins * * * monozygotic twins whose bodies are joined, ranging from two well developed individuals joined by a superficial… …   Medical dictionary

  • conjoined twins — plural noun Siamese twins • • • Main Entry: ↑conjoin …   Useful english dictionary

  • Conjoined twins — Siamese twins redirects here. For other uses, see Siamese twins (disambiguation). Conjoined twins Classification and external resources A painting of Chang and Eng Bunker, circa 1836 ICD …   Wikipedia

  • conjoined twins — identical twins that are physically joined together at birth, known colloquially as Siamese twins. The condition ranges from twins joined only by the umbilical blood vessels (allantoido angiopagous twins) to those in whom conjoined heads or… …   The new mediacal dictionary

  • conjoined twins — /kəndʒɔind ˈtwɪnz/ (say kuhnjoynd twinz) plural noun any twins who are born joined together in any manner. Also, Siamese twins …  

  • conjoined twins — con.joined twins n [plural] two people who are born with their bodies joined to each other …   Dictionary of contemporary English

  • conjoined twins — plural noun technical term for Siamese twins …   English new terms dictionary

  • conjoined twins — noun the two people joined together in utero …   Wiktionary

  • Близнецы Сиамские (Siamese Twins), Близнецы Соединенные (Conjoined Twins) — монозиготные близнецы, физически сращенные между собой от рождения. Такое сращение может быть как только между пупочными кровеносными сосудами (аллантоидоангиопаг (allantoido angiopagous twins)), так и между их головами или туловищем. Источник:… …   Медицинские термины

  • asymmetrical conjoined twins — see conjoined t s …   Medical dictionary

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