amniotic sac

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Related to Diamniotic: Dizygotic twins
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 ?
Her 8th week ultrasound scan revealed a dichorionic diamniotic twin gestation.
In April 2015 a case of dichorionic diamniotic twin delivery presented at Shifa International Hospital in a multigravida (G 6 P 3+2) mother.
Short-term neonatal outcomes in diamniotic twin pregnancies delivered after 32 weeks and indications of late preterm deliveries.
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.
The twins were monochorionic diamniotic (MCDA) - which means they share a single placenta - and in the letter the trust states that it admits that abdominal pain in women expecting MCDA twins can be the first indication of the development of TTTS.
Non-identical twins are dichorionic, diamniotic twins and the differences in their genetic makeup would be similar to siblings born as a result of pregnancies separated by time.
When ultrasonography reveals the absence of a "twin-peak sign" indicating a monochorionic placenta, the twins are most likely monozygotic; however, a dichorionic diamniotic (DCDA) [4] placenta--as evidenced by the presence of a twin-peak sign and the same sex for both fetuses--is observed in at least 40% of all twin pregnancies and is compatible with both monozygotic and dizygotic twins.
Reference ranges for middle cerebral artery peak systolic velocity in monochorionic diamniotic twins: a longitudinal study.
05% patients were seen having normal twin pregnancies including 3 monoamniotic sacs while 15 of diamniotic sacs however 0.
Monochorionic diamniotic twins: complications and management options.
Background: Fetus in fetu is a rare form of monozygotic, diamniotic twinning in which the abnormal twin resides as a parasitic fetiform mass within the body of the other twin.