amniotic sac

Scientific  

1. See amnion

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amniotic sac Cultural  

1. A two-layered membrane that surrounds the embryo or fetus in the uterus. The amniotic sac is filled with fluid in which the embryo or fetus is suspended. (See reproductive systems.)

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Example Sentences

Amniotic fluid, which is contained within the amniotic sac, supports, cushions and protects a developing fetus.

From Los Angeles Times

At the hospital, Nusslock said she was diagnosed with a premature rupture of the membrane of the amniotic sac — a dangerous complication in which an abortion is a recommended treatment.

From Los Angeles Times

A pair of twins who shared the same amniotic sac, blood flow and placenta have been successfully delivered, which their mother has described as a "miracle".

From BBC

Membranes in the fluid-filled amniotic sac that surrounds the fetus often rupture or break at the start of childbirth - commonly called water breaking.

From Washington Times

Membranes in the fluid-filled amniotic sac that surrounds the fetus often rupture or break at the start of childbirth — commonly called water breaking.

From Seattle Times