- Amniotic fluid
- The fluid bathing the fetus and serving as a shock absorber.
* * *amniotic fluid n the serous fluid in which the embryo and fetus is suspended within the amnion
* * *the fluid contained within the amniotic cavity. It surrounds the growing fetus, protecting it from external pressure. The fluid is initially secreted from the amnion and is later supplemented by urine from the fetal kidneys. Some of the fluid is swallowed by the fetus and absorbed through its intestine. See also amniocentesis.
* * *fluid within the amniotic cavity produced by the amnion during the early embryonic period, and later by the lungs and kidneys; at first crystal clear, it later becomes cloudy. It protects the embryo and fetus from injury. The amount at term normally varies from 500 to 1500 mL. Called also liquor amnii and, popularly, waters.
Medical dictionary. 2011.