amniotic sac

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Definitions from WordNet

Noun amniotic sac has 1 sense

amnion, amniotic sac, amnios - thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)
--₁ is a kind of sac
--₁ is a part of amniote; fetal membrane

Definitions from the Web

Amniotic Sac

Definition:

The amniotic sac is a fluid-filled membrane that surrounds and protects the fetus during pregnancy.

Senses:

Sense 1:

(Noun) The fluid-filled sac that envelopes the embryo and later, the fetus, during gestation.

Example Sentence: The amniotic sac provides a protective environment for the growing baby.

Related Products: Amniotic Sac Pregnancy Books

Sense 2:

(Noun) The amniotic fluid contained within the amniotic sac.

Example Sentence: The doctor performed an amniocentesis to check the health of the amniotic sac.

Related Products: Amniotic Fluid Products

Sense 3:

(Adjective) Pertaining to the amniotic sac or the amniotic fluid.

Example Sentence: The amniotic sac rupture can lead to premature labor.