Answer:
Gigantism
Step-by-step explanation:
Another name of the pituitary gland is also known as the "Master gland" as it regulates and controls the other endocrine glands. The pituitary gland is small endocrine gland and is of the size of a pea located at the brain. It performs the major biological functions :
Growth
Blood pressure
Sexual maturation
Blood pressure
It secretes the following hormones ---
Growth hormone
Thyroid Stimulating hormone
Prolactin
Adrenocorticitropin (ATCH)
So the hyperfunction of the pituitary gland is the preadolscence age is Gigantism as it increases the growth hormone which results in growing faster.