MICROANATOMY

Detailed explanation-1: -The thymus gland, located behind your sternum and between your lungs, is only active until puberty. After puberty, the thymus starts to slowly shrink and become replaced by fat.

Detailed explanation-2: -First of all, it is important to underline that the human thymus develops during fetal life, reaches its maximal output during early postnatal life, and declines in size and output during young adulthood and throughout adult life through the process of age-related involution (Chinn et al. 2012).

Detailed explanation-3: -The thymus gland is quite big in babies and children. It reaches its biggest weight of about 1 ounce during puberty. After puberty, it begins to shrink, and in older adults, it’s rather small.

Detailed explanation-4: -The thymus is a vital yet unusual organ. Vital in that it is responsible for producing immune cells; unusual in that it is largest at childhood and progressively shrinks after puberty. The result is less T cell production, which should lead to a higher risk of infection or cancer.

Detailed explanation-5: -The thymus gland is in the chest, between the lungs and behind the breastbone or sternum. It is just in front of and above the heart.