The fluid-filled sac that contains and protects a fetus in the womb.
More example sentences
- The doctor can then open the amniotic sac and remove the baby.
- Care was exercised not to separate the amniotic sac into its components, the chorion and amnion.
- Mrs. Marlow's waters had not broken, so Connor was being born inside the amniotic sac.
Definition of amniotic sac in:
- The British & World English dictionary