dizygotic twins
(redirected from diovular twins)Also found in: Dictionary, Encyclopedia.
di·zy·got·ic twins
twins derived from two zygotes.
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)Medical Dictionary for the Health Professions and Nursing © Farlex 2012
dizygotic twins
orfraternal 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