embryotrophy

noun Embryology.

1. the nutrient material, composed chiefly of secretions from the uterine glands, degenerating uterine tissue, and substances in the maternal blood, that nourishes a mammalian embryo prior to the formation of the placenta.

n.

1. The nutrition of the embryo.

n.

1. The nutritive material that is supplied to the embryo of a placental mammal during development.