Concept:The endocrine gland found at the base of the brain is the pituitary gland.Explanation:Part I in the diagram points to a small rounded gland located beneath the brain.This gland sits inside the sella turcica, a bony depression of the sphenoid bone.It lies just below the hypothalamus and behind the bridge of the nose.The pituitary gland produces hormones that regulate growth, reproduction, and other endocrine glands.Therefore, the gland labelled I is the pituitary gland.
