Name the structure that holds the testis in position within the serotal sac.

Name the structure that covers the root tip.

Which structure connects testis of man to the wall of scrotal sac ?

What is the structure that occupies the position of foramen ovale at birth?

In man , what is the condition called , in whom the testis fails to descend into scrotal sac ?

Give the structure of embryo sac?

Give the name of structures by which testes are suspended in the scrotum.

A compound 'A' having molecular formula C_(2)H_(5)O_(2)N , on reaction with Sn and conc. HCl gives a compound B which when treated with NaNO_(2) and dil. HCl gave compound C having molecular formula C_(2)H_(6)O . The compound C when treated with Na metal give effervescenes and when reacts with CrO_(3) give a saturated aldehyde having 2 carbon atoms. Determine the structures and names of A, B and C along with the sequence of reactions.

Name the structure formed after the degeneration of corpus luteum.

Describe the structure of human testis with a suitable diagram? Where are leydig cells found? Describe their functions.