amni/o (1/22)

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amni/o is a combining form that refers to “amnion (amniotic sac)”.

A thin-walled sac surrounds the fetus during pregnancy called an amniotic sac. In the amniotic sac, there is liquid (amniotic fluid) and a membrane enclosing the placenta on the fetal side (amnion). It safeguards the fetus from injury and maintains its temperature.