noun. the specialized organ generated by the mammalian embryo which adheres to the uterine wall in order to allow removal of waste and to supply energy, nutrients, and gas exalter for the fetus via the maternal circulation.

PLACENTA: "It appears the placenta is tearing- an emergency C-section will be necessary."
Cite this page: N., Pam M.S., "PLACENTA," in, April 7, 2013, (accessed April 23, 2021).