dizygotic twins

(redirected from diovular twins)
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di·zy·got·ic twins

twins derived from two zygotes.
Synonym(s): dichorial twins, diovular twins, fraternal twins, heterologous twins
Farlex Partner Medical Dictionary © Farlex 2012

dizygotic twins

Fraternal twins Twins resulting from 2 separate fertilized eggs, liberated simultaneously from the ovaries, which develop in separate or partially fused chorion and placenta, and usually a separate amniotic sac. Cf Monozygotic twins.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

di·zy·got·ic twins

(dī-zī-got'ik twinz)
Twins derived from two zygotes.
Synonym(s): fraternal twins, heterologous twins.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

dizygotic twins

or

fraternal twins

a pair of children born at the same time to the same mother but each developing from a different fertilized egg. Such twins are therefore nonidentical, being equivalent to normal SIBLINGS, and can be of the same or different sexes. Compare MONOZYGOTIC TWINS.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005