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Twins, Monozygotic

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Definition: Two off-spring from the same PREGNANCY. They are from a single fertilized OVUM that split into two EMBRYOS. Such twins are usually genetically identical and of the same sex.  TWINNING, MONOZYGOTIC is also available    Other names Twins, Identical; Twin, Monozygotic; Twin, Identical; Monozygotic Twins; Monozygotic Twin; Identical Twins; Identical Twin

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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