Which of the following glands is considered the master gland?

• A. Pituitary gland
• B. Hypothalamus
• C. Thyroid gland
• D. Adrenal gland

Answer: (A)

Verified step by step guidance

1. Begin by understanding the role of each gland listed in the options. The pituitary gland, hypothalamus, thyroid gland, and adrenal gland each have distinct functions in the endocrine system.
2. The pituitary gland is often referred to as the 'master gland' because it produces hormones that regulate other glands in the endocrine system. It plays a crucial role in controlling growth, metabolism, and reproduction.
3. The hypothalamus is a region of the brain that controls the pituitary gland by releasing hormones that either stimulate or inhibit pituitary hormone production.
4. The thyroid gland is responsible for producing hormones that regulate metabolism, energy generation, and growth. It is not considered the master gland but is regulated by the pituitary gland.
5. The adrenal glands produce hormones such as adrenaline and cortisol that help regulate metabolism, immune response, and stress. They are influenced by the pituitary gland but are not the master gland themselves.