The main function of tropho ectoderm in mammalian embryo is
Protection of the developing cells
Drawing food for the developing cells
Formation of yolksac
Formation of body of developing embryo
The human sperms were first seen and discovered by
Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus?
Human placenta is derived from
Fructose is present in the secretion of
Which of these sets of cells divide slowly