MICROANATOMY

Detailed explanation-1: -The thymus gland is most active during childhood. Your thymus actually starts making T-cells before you’re born. It keeps producing T-cells and you have all the T-cells you need by the time you reach puberty. After puberty, your thymus gland slowly starts to decrease in size and is replaced by fat.

Detailed explanation-2: -THE THYMUS IS A PRIMARY LYMPHOID ORGAN ESSENTIAL FOR THE DEVELOPMENT OF T LYMPHOCYTES WHICH ORCHESTRATE ADAPTIVE IMMUNE RESPONSES.

Detailed explanation-3: -[1] The thymus is the organ primarily responsible for the production and maturation of immune cells; including small lymphocytes that protect the body against foreign antigens. The thymus is the source of cells that will live in the lymphoid tissues and supports their maturation and proper function.

Detailed explanation-4: -The thymus is the primary lymphoid organ for T lymphocyte development and maturation that mediates immune defense against foreign antigens, immune tolerance to self-antigens, and immune surveillance on tumor cells.