amniotic sac

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Related to amniotic sac: placenta, amniotic fluid, yolk sac

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

amniotic sac - thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)

amnion, amnios

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

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References in periodicals archive ?

Meet 'lucky' baby Katie who was born still inside her amniotic sac in rare birth phenomenon

Proud dad delivered his newborn daughter in a super quick birth on the bathroom floor; Widdrington first-time dad Ian Richardson swung into action to deliver baby Lucille after wife Laura went into a quick labour

Mum says baby 'looked like a little alien' after being born inside amniotic sac

Pregnant mum told she 'wet herself' reveals how Facebook advice saved her babies; A pregnant mother who was initially told she had wet herself was later diagnosed with preterm premature rupture of the membranes

But paramedic Ian Nattrass was stunned to see Katie was still inside her amniotic sac.

Katie's just that little bit luckier than others; paramedics deliver baby girl in very special way

But the paramedic was stunned to see that Katie was still inside her amniotic sac.

Baby seals her special status with a speedy birth

During pregnancy, the bag of waters (or amniotic sac) keeps the baby safe as she/he grows.

Five signs of labor

Thomas Ridsdill, 40, had to help birth little Heather Ridsdill who was born caul, where membrane - similar to the amniotic sac - covers a newborn baby's head.

a close caul for daughter delivery dad; Baby girl's dramatic arrival at family home

They cut a small hole in the uterus wall to access the foetus inside the amniotic sac.

My unborn baby had a spinal op in the womb; Docs in groundbreaking surgery for spina bifida

I was sat on the toilet in hospital and the amniotic sac fell into my hands.

Premature baby born the size of a coke can marks 13th birthday; family celebrates 'miracle child' reaching milestone

One amniotic sac contained a normal fetus [Figure 1]a, while the other amniotic sac had a set of conjoined twins fused through the thorax and abdomen with two heads, two separate hearts, four arms, four legs, and a single umbilical cord [Figure 1]b.

Conjoined Twins in a Spontaneous Monochorionic Triplet Pregnancy

The calf may still be encased in the amniotic sac, which is a firm membrane filled with thick amniotic fluid.

Calving with Confidence: Understand what happens to your cow during labor, and learn how to secure her smooth moo-Ve into motherhood

"Water helps to form the placenta and amniotic sac and is a key component of breast milk.