amniotic fluid

noun

, Anatomy, Zoology.

1. the watery fluid in the amnion, in which the embryo is suspended.

amniotic fluid

noun

1. the fluid surrounding the fetus in the womb

amniotic fluid

/ ăm′nē-ŏt′ĭk /

1. The watery fluid within the amnion that surrounds the fetus. Amniotic fluid cushions the fetus from injury, allows movement, and helps to stabilize temperature. The composition of the fluid changes over the course of gestation. Initially, amniotic fluid is similar to maternal plasma. As the fetus develops, phospholipids originating from the lungs, fetal cells, lanugo, and urine are deposited in the fluid.

amniotic fluid

1. The fluid , resembling salt water, contained in the amniotic sac ; the embryo or fetus floats in the amniotic fluid.