Chorionic epithelioma


chorionic epithelioma n.
See choriocarcinoma.

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  • Chorionic-gonadotropin

    noun 1. Also called human chorionic gonadotropin. Biochemistry. a hormone, produced in the incipient placenta of pregnant women, that stimulates the production of estrogen and progesterone: its presence in blood or urine is an indication of pregnancy. 2. Pharmacology. a commercial form of this substance, obtained from the urine of pregnant mares, used in medicine […]

  • Chorionic growth hormone-prolactin

    chorionic growth hormone-prolactin n. See human placental lactogen.

  • Chorionic-villus

    noun, Embryology. 1. one of the branching outgrowths of the chorion that, together with maternal tissue, form the placenta. chorionic villus n. Any of the various fingerlike projections of the chorion of the embryo that contain fetal blood vessels and grow into the intervillous lacuna of the placenta.

  • Chorionic-villus-sampling

    noun 1. a prenatal test for detecting birth defects at an early stage of pregnancy, involving removal by needle of fluid from the chorionic villus, and examination of the cells obtained. noun 1. a method of diagnosing genetic disorders early in pregnancy by the removal by catheter through the cervix or abdomen of a tiny […]

  • Chorioretinal

    chorioretinal cho·ri·o·ret·i·nal (kôr’ē-ō-rět’n-əl) adj. Relating to the choroid coat of the eye and to the retina.


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