amniotic sac

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Related to amniotic sac: placenta, amniotic fluid, yolk sac
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 ?
Contract Awarded for Packet 3 multifunctional transparent gastric lavage model, A full set of 1 sets of 1 sets of suits, Obstetric delivery experience practical professional skills training model, 1 sets of advanced delivery mechanism in 1 sets, Remote control version of the adult cardiopulmonary auscultation assessment model with 1 sets of neonatal systemic venous puncture simulator laryngoscope 1 sets, 5 sets of suits under the guidance of ultrasound, Amniotic sac model 1 sets of teaching model.
Lottie was born still inside the amniotic sac - which is so rare it occurs in fewer than one in 80,000 births.
In a rare case of a c-section birth in Asia, a baby was born inside the amniotic sac.
Fetal surgery involves penetrating the highly delicate amniotic sac, increasing health risks to the fetus.
The photo of a newborn baby boy still in the amniotic sac after being born in the car has gone viral.
One of the biggest risks in performing surgery on fetuses is not the surgical procedure itself, but the insertion of a fetal scope through the amniotic sac, which is very fragile," said Diederik Balkenende.
A team from the University of Michigan reports that they have coaxed pluripotent human stem cells to grow on a specially engineered surface into structures that resemble an early aspect of human development called the amniotic sac.
24am Everleigh Gray Siddle was born in the pool (still in her amniotic sac that the midwife hurriedly had to break) just thirty minutes after the midwife arrived.
Once a mammalian egg is fertilized and begins dividing, the new cells segregate into two groups: those that will develop into the embryo and those that will develop into supportive tissues like the placenta and amniotic sac.
Type I CSP caused by implantation of amniotic sac on the scar and progression towards either uterine cavity or cervicoisthmic space.
This pigment mutilates infection-fighting immune system cells, enabling the bacteria--Group B Streptococcus--to quickly cross the placenta and invade the amniotic sac, a new study in monkeys shows.