NEET BIOLOGY

Detailed explanation-1: -A thin-walled sac that surrounds the fetus during pregnancy. The sac is filled with liquid made by the fetus (amniotic fluid) and the membrane that covers the fetal side of the placenta (amnion). This protects the fetus from injury.

Detailed explanation-2: -The amnion is a metabolically active membrane that is involved in solute and water maintaining amniotic fluid homeostasis. Amniotic membrane or amnion is the innermost layer of the placenta and consists of a thick basement membrane and an avascular stromal matrix.

Detailed explanation-3: -Amniotic fluid surrounds the growing fetus in the womb and protects the fetus from injury and temperature changes. It also allows for freedom of fetal movement and permits musculoskeletal development.

Detailed explanation-4: -The fetal membrane surrounds the fetus during pregnancy and is a thin tissue composed of two layers, the chorion and the amnion.

Detailed explanation-5: -The sac is filled with amniotic fluid. This sac forms about 12 days after getting pregnant. Here’s what the fluid does: Cushions and protects your baby.