resembling the placenta.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
placentoidadjective A term of uncertain clinical utility referring to:
(1) A structure that simulates a placenta; or
(2) An activity similar to that carried out by the placenta; placenta-like.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.