hydatidiform mole

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hydatidiform mole (hydatid mole, vesicular mole) (hy-dă-tid-i-form) n. a collection of fluid-filled sacs that develop when the chorion degenerates in early pregnancy. The embryo dies, the uterus enlarges, and there is a discharge of pinkish liquid and cysts from the vagina. A malignant condition may subsequently develop (see choriocarcinoma).

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