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twin placenta

Acta geneticae medicae et gemellologiae: twin research (1)

International Soc for Twin Studies (1)

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The Acardiac Anomaly. New Case Reports and Current Status
C. Kaplan, K. Benirschke
Journal:

Acta geneticae medicae et gemellologiae: twin research / Volume 28 / Issue 1 / January 1979

Published online by Cambridge University Press:

01 August 2014, pp. 51-59

Print publication:

January 1979
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Two cases of holoacardius are presented. Both had a normal 46,XX female karyotype, identical to that of their respective cotwin. Data are presented supporting the concept that the placental vascular anastomoses are the primary agents in the formation of an acardiac. Cytogenetics, epidemiology and other theories of pathogenesis are discussed.