embryotroph 的定义
Embryology.
- 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.
📖毕业后词汇胚胎细胞胚胎发育者胚胎发育不良者胚胎发育不良
Embryology.