Which structure controls the hormones secreted by the pituitary gland?

The adrenal gland is responsible for producing its own hormones, such as cortisol and adrenaline, but it does not control hormone secretion from the pituitary gland. Instead, the adrenal gland is a target of hormones released by the pituitary, particularly adrenocorticotropic hormone (ACTH), which stimulates cortisol production.

The testes primarily produce male sex hormones, such as testosterone, and are not involved in regulating pituitary hormone secretion. Instead, they respond to luteinizing hormone (LH) and follicle-stimulating hormone (FSH) produced by the pituitary gland, indicating a downstream role in the endocrine hierarchy rather than a controlling one.

The pancreas is involved in the regulation of blood glucose levels through the secretion of insulin and glucagon. However, similar to the testes, it does not exert control over the hormones released by the pituitary gland. Its functions are independent and primarily related to metabolism rather than endocrine regulation at the level of the pituitary.