amniotic sac

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Related to monochorionic: Dichorionic
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.amniotic sac - thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)amniotic sac - thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)
amniote - any member of the Amniota
mammal, mammalian - any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk
fetal membrane - any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus
sac - a structure resembling a bag in an animal
References in periodicals archive ?
A rare complication of monochorionic twin pregnancy: Twin-reversed arterial perfusion (trap) sequence.
Cases of both monochorionic diamniotic and dichorionic diamniotic twin pregnancies were included.
The data included in the review covered 35,171 women with twin gestations (29,685 dichorionic and 5,486 monochorionic pregnancies).
Results of a large, robust meta-analysis of 32 studies (including 35,171 women with uncomplicated twin gestations) indicated that 37 weeks' gestation be considered ideal timing in uncomplicated dichorionic twin pregnancies, and not before 36 weeks for monochorionic twin pregnancies, to minimize perinatal deaths.
Some propose it occurs from the anomalous embryogenesis in a diamniotic monochorionic twin pregnancy in which a malformed monozygotic twin lies within the body of its fellow twin.
Mine are monochorionic, diamniotic twins (or MoDi twins) -- identical twins that shared placenta in utero," she said.
Feto-fetal transfusion syndrome is a pathological process unique to diamniotic monochorionic pregnancies.
Obstetricoutcomes of monochorionic pregnancies conceived following assisted reproductive technology: A retrospective study.