The principal tail piece of human sperm shows the microtubular arrangement of ?

In humans, at the end of the first meiotic division, the male germ cells differentiate into the ?

Implantation takes place after __________ of fertilisation ?

If an ovum (egg) is fertilised by a sperm, it usually takes place in the ?

Ovulation in the human female normally takes place during the menstrual cycle ?

What is the tube through which both urine and semen leave a man’s body called?

Immediately after ovulation, the mammalian egg is covered by a membrane known as ?

Layer of cells immediately surrounding the ovum but outside the zona pellucida is called as ?