Rapid secretion of $LH$ in ovulation causes
Rupturing of Graafian follicle
Releasing of ova
Ovulation
All of the above
Graafian follicles are produced by the ovary by the process of
Decidua which takes part in the formation of maternal portion of the placenta is
After gastrulation the roof of archenteron is formed by
Foetal ejection reflex in human female is induced by
Drugs such as Thalidomide taken by woman in first trimester of pregnancy cause all the following malformations in the developing embryo, except