Here's why:

* Growth Hormone (GH): The pituitary gland produces and releases growth hormone, which is essential for normal growth and development, particularly in childhood and adolescence.

* Other Hormones: The pituitary gland also produces other hormones that indirectly influence growth, such as thyroid-stimulating hormone (TSH) which regulates thyroid hormone production (essential for metabolism and growth) and gonadotropins (FSH and LH) which regulate sexual development.

While other endocrine glands like the thyroid and gonads play a role in growth and development, the pituitary gland is the primary regulator of growth due to its production of growth hormone.