Which is not the function of placenta ?
Secretes insulin during parturition
Facilitates supply of $O_2$ and nutrients to embryo.
Produces estrogen.
Facilitates removal of $CO_2$ and waste material from embryo.
The yolk plug is a structure in gastrula which is formed by the protrusion of
Egg which contains very little amount of yolk are called as
Vitellogenesis occurs during the formation of
The branch of embryology which concerns with the study of abnormal embryonic development is termed as
Archenteron is lined with