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chorioangioma cho·ri·o·an·gi·o·ma (kôr’ē-ō-ān’jē-ō’mə)
A benign tumor of placental blood vessels usually of no clinical significance.


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  • Chorioangiosis

    chorioangiosis cho·ri·o·an·gi·o·sis (kôr’ē-ō-ān’jē-ō’sĭs) n. An abnormal increase in the number of vascular channels that are present in the villi of the placenta; severe chorioangiosis is associated with a high incidence of neonatal death and major congenital malformations. Also called chorioangiomatosis.

  • Choriocapillaris

    choriocapillaris cho·ri·o·cap·il·lar·is (kôr’ē-ō-kāp’ə-lār’ĭs) n. The capillaries forming the inner vascular layer of the choroid of the eye.

  • Choriocapillary layer

    choriocapillary layer cho·ri·o·cap·il·lar·y layer (kôr’ē-ō-kāp’ə-lěr’ē) n. The internal layer of the choroid of the eye, composed of a very close capillary network. Also called entochoroidea, Ruysch’s membrane.

  • Choriocarcinoma

    [kawr-ee-oh-kahr-suh-noh-muh, kohr-] /ˌkɔr i oʊˌkɑr səˈnoʊ mə, ˌkoʊr-/ noun, plural choriocarcinomas, choriocarcinomata [kawr-ee-oh-kahr-suh-noh-muh-tuh, kohr-] /ˌkɔr i oʊˌkɑr səˈnoʊ mə tə, ˌkoʊr-/ (Show IPA). Pathology. 1. . choriocarcinoma cho·ri·o·car·ci·no·ma (kôr’ē-ō-kär’sə-nō’mə) n. A malignant tumor of syncytial trophoblasts and cytotrophoblasts, almost always occurring in the uterus. Also called chorioepithelioma, chorionic epithelioma, trophoblastoma.

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