Trophoblast
noun, Embryology.
1.
the layer of extraembryonic ectoderm that chiefly nourishes the embryo or develops into fetal membranes with nutritive functions.
noun
1.
the outer layer of cells of the embryo of placental mammals, which is attached to the uterus wall and absorbs nourishment from the uterine fluids
trophoblast tro·pho·blast (trō’fə-blāst’)
n.
The outermost layer of cells of the blastocyst that attaches the fertilized ovum to the uterine wall and serves as a nutritive pathway for the embryo. Also called trophoderm.
tro’pho·blas’tic adj.
trophoblast
(trō’fə-blāst’)
The outermost layer of cells of the blastocyst, which attaches the fertilized ovum to the uterine wall and serves as a nutritive pathway for the embryo. The trophoblast eventually differentiates into such tissues as the amnion, the placenta, and the umbilical cord.
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- Trophoblastic lacuna
trophoblastic lacuna n. One of the spaces in the chorion that becomes an intervillous space after the chorionic villi are formed.
- Trophoblastoma
trophoblastoma tro·pho·blas·to·ma (trō’fō-blā-stō’mə) n. See choriocarcinoma.
- Trophoderm
trophoderm tro·pho·derm (trō’fə-dûrm’) n. See trophoblast.
- Trophodermatoneurosis
trophodermatoneurosis tro·pho·der·ma·to·neu·ro·sis (trō’fō-dûr’mə-tō-nu-rō’sĭs, -nyu-) n. Trophic changes to the skin due to neural inflammation.
- Trophoneurosis
trophoneurosis tro·pho·neu·ro·sis (trō’fō-nu-rō’sĭs, -trŏf’ō-, -nyu-) n. A trophic disorder of a part or region resulting from disease or injury to nerves enervating the area. tro’pho·neu·rot’ic (-rŏt’ĭk) adj.