The thymus gland appears in children to help develop their immune system, but typically it decreases in size and function as an individual ages. By adulthood, the thymus gland is often minimal in size and less active.
The thymus gland is prominent in a child and can easily be seen on an x-ray, but it begins to shrink during childhood and continues to shrink through adult life. It never really goes away, but its mass is drastically reduced.
That would be the Thymus gland.
You can suffer from SEVERE psychological problems from being half child, half adult.
No, the thymus gland of adults transforms into fatty tissue.
pituitary gland CHEATERS!... <- You're darn right.
The thymus gland is the gland that produces T lymphocytes needed for fighting infections and bacteria. Without the the thymus gland the child has no way to fight foreign bacteria and viruses. Which will result in sepsis and death, In other words no thymus gland, no way to fight infections.
gigantism
pituitary gland CHEATERS!... <- You're darn right.
The medical term meaning a thyroid gland that appears to be functioning within normal parameters is Euthyroid.
Thymus Gland
I'm not 100% certain what you mean by "male gland"; I'm assuming you are referring to the testicles. Adult male human testes are normally about 5 x 2 x 3 cm (adult female human testes are of course nonexistent).
The child's hypothalamus is not working correctly. - Apex
Problems with the pituarity gland, or poor diet. Take the child to a doctor.