The final event in the process of fertilization is
Fusion of gametes
Egg activation
Amphimixis
Organizational change in egg cytoplasm
The villi which are formed by the allantochorion to form the intimate connection with uterine endometrium functions as
Blood flowing in umbilical cord of mammalian embryo is
Periblastula is found in
Which of the following structure is lacking from the placenta
The concept that organiser is essential for embryonic development was given by or For the ‘Theory of organiser’, Nobel prize was given to