Etymology:
The term "amniotic" originates from the Greek word "amnion," which refers to the innermost fetal membrane that surrounds the developing embryo. It was first coined by the Greek physician Hippocrates in the 5th century BCE.
Meaning:
Amniotic refers to anything related to the amnion or the fluid-filled sac that surrounds the embryo and fetus during pregnancy. It typically describes:
Origin:
The development of the amnion was a key evolutionary adaptation that allowed for the survival of vertebrate embryos on land. The amniotic sac provides a protective and nourishing environment for the embryo, allowing it to develop without being exposed to the drying effects of the external environment.
In humans, the amnion forms around 9 days after fertilization and continues to grow throughout pregnancy. It fills with amniotic fluid, which provides cushioning, temperature regulation, and nutrients for the developing fetus. The amnion ruptures during labor, releasing the amniotic fluid and allowing the baby to be born.
Etymology Greek amnion membrane surrounding the embryo Origin The word amnion
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