Q.Which of the following gland is related with immunity?
a. Pineal gland
b. adrenal gland
c. thymus
d. parathyroid gland

The thymus is a bilobed organ above the heart, behind the sternum, that is part endocrine gland and part lymphoid organ — each lobe has an outer cortex and inner medulla within a fibrous capsule. As an endocrine gland it secretes four hormones (thymulin, thymosin, thymopoietin, thymic humoral factor), but its central biological role is producing immunocompetent T lymphocytes, giving the body cell-mediated immunity. The thym …