Which of the following is a set of male accessory ducts?
Rete testis, vasa efferentia, tubuli recti
Rete testis, vasa efferentia, epididymis and vas deferens
Epididymis, ejaculatory duct, urethra
Seminiferous tubules, vasa efferentia, epididymis and vas deferens
The permeability of the human placenta to macro-molecules is evidenced by the presence of following in foetal blood
Thickness of vitelline membrane is about
Which of the following represents a condition, where the motility of the sperms is highly reduced?
Telolecithal eggs have
The hormones of the sperm are called