Definition of "amniotic fluid" [amniotic fluid]

• : In placental mammals, a fluid contained within the amnion membrane that surrounds a developing embryo or fetus. (noun)

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• "As she closed the letter, a severe pain overcame her and a gush of amniotic fluid ran down her leg. Dr. Vernon Noble, who had had to be called in, said, “Well, I cannot save the child, but we will try to save the mother.”"
• "Amniocentesis is a test where a doctor takes a four-foot needle and inserts it into your abdomen to withdraw some amniotic fluid for examination."