Generalities:

The symptoms may be inappetence. male sterility, with parathitis, seminal atrophy. See: (inguinal ring - inguinal ring; kidney - kidney).

This gland is responsible for regulating calcium metabolism. This is dragged by the fat-soluble vitamins into the bloodstream and the calcitocin carries it to the bones. When it does not work, calcium is not fixed in these causing  Hypocalcemia syndrome, osteoporosis.
Suggest vitamins A, D and E.

Causes:

The dysfunction can be caused by trauma, age, infection or emotional aspects (depression).