[em-bree-uh-trof, -trawf] 
| 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. |
embryotroph em·bry·o·troph (ěm'brē-ə-trŏf', trōf')
n.
The nutritive material that is supplied the embryo of a placental mammal during development.
bri