The seminiferous tubules of the testis opens into the vasa efferentia by
Vasa deferentia
Rete testis
Epididymis
Seminiferous tubules
Which one of the following is derived from ectoderm
The extra-embryonic membranes of the mammalian embryo are derived from
In the development of the human body, the ectoderm is responsible for the formation of
During gastrulation the dorsal lip of blastopore (1 external sign of gastrulation) appears
The blastula of prototherians is called