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 gland grows to its largest size during childhood and makes all the T cells we need before we become teenagers. After this, it gradually gets smaller, becomes less active and is replaced by fatty tissue. The thymus also produces a hormone called thymosin that helps make and develop T cells.

Detailed explanation-3: -The thymus gland, located behind your sternum and between your lungs, is only active until puberty.

Detailed explanation-4: -The thymus is a lymphatic organ which is responsible for T cell immunological function. It is the first of the lymphoid organs to be formed and grows considerably in infancy[1]. It attains maximum weight at puberty and gradually becomes replaced by fat and involutes with age.