area placentalis

area placentalis

[′er·ē·ə pla·sən′tāl·əs]
(embryology)
The part of the trophoblast in immediate contact with the uterine mucosa in the embryos of early placental vertebrates.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.