The fluid that surrounds a baby during gestation. The amnion is a membrane that grows to envelop the embryo early in its development, becoming the amniotic sac as the space between it and the embryo gets filled with amniotic fluid.
The fluid that surrounds a baby during gestation. The amnion is a membrane that grows to envelop the embryo early in its development, becoming the amniotic sac as the space between it and the embryo gets filled with amniotic fluid.