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Siamese Twins (other)
Siamese twins Conjoined twins are identical twins joined '' in uterus''. A very rare phenomenon, the occurrence is estimated to range from 1 in 49,000 births to 1 in 189,000 births, with a somewhat higher incidence in Southwest Asia and Africa. Approximately ha ... or conjoined twins are identical twins whose bodies are conjoined ''in utero''. Siamese twins may also refer to: * Chang and Eng Bunker Chang Bunker and Eng Bunker (May 11, 1811 – January 17, 1874) were Siamese-American conjoined twin brothers whose fame propelled the expression "Siamese twins" to become synonymous for conjoined twins in general. They were widely exhibited as ... the "Siamese Twins", Siamese-American conjoined twin brothers from whom the term derives * Irreversible binomial In linguistics and stylistics, an irreversible binomial, (frozen) binomial, binomial pair, binomial expression, (binomial) freeze, or nonreversible word pair is a pair or group of words used together in fixed order as an idio ...
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Siamese Twins
Conjoined twins are identical twins joined '' in uterus''. A very rare phenomenon, the occurrence is estimated to range from 1 in 49,000 births to 1 in 189,000 births, with a somewhat higher incidence in Southwest Asia and Africa. Approximately half are stillborn, and an additional one-third die within 24 hours. Most live births are female, with a ratio of 3:1. Two contradicting theories exist to explain the origins of conjoined twins. The more generally accepted theory is ''fission'', in which the fertilized egg splits partially. The other theory, no longer believed to be the basis of conjoined twinning, is ''fusion'', in which a fertilized egg completely separates, but stem cells (which search for similar cells) find similar stem cells on the other twin and fuse the twins together. Conjoined twins share a single common chorion, placenta, and amniotic sac, although these characteristics are not exclusive to conjoined twins, as there are some monozygotic but non-conjoined twins w ...
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Chang And Eng Bunker
Chang Bunker and Eng Bunker (May 11, 1811 – January 17, 1874) were Siamese-American conjoined twin brothers whose fame propelled the expression "Siamese twins" to become synonymous for conjoined twins in general. They were widely exhibited as curiosities and were "two of the nineteenth century's most studied human beings". The brothers were born with Chinese ancestry in today's Thailand and were brought to the United States in 1829. Physicians inspected them as they became known to American and European audiences in "freak shows". Newspapers and the public were initially sympathetic to them, and within three years they left the control of their managers, who they thought were cheating them, and toured on their own. In early exhibitions, they appeared exotic and displayed their athleticism; they later held conversations in English in a more dignified parlor setting. In 1839, after a decade of financial success, the twins quit touring and settled near Mount Airy, North Carolina ...
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