The literal meaning of “gastrulation” is
Formation of primary germ layers
Formation of a gut
Morphogenetic movement
Commencement of organogenesis
When both $LH$ and $FSH$ attain peak level in the menstrual cycle ?
Ceasation of menstrual cycle at the age of $50$ is called
Each epididymis consists of a single tightly coiled tube whose length is about
The uteri and vagina lie in a fold of peritoneum called
The seminiferous tubules of the testis opens into the vasa efferentia by