Which gland controls or influences all of the other endocrine glands?

• A. Thyroid gland
• B. Pineal gland
• C. Pituitary gland
• D. Pancreas

Answer: (C)

Verified step by step guidance

1. Understand the role of the endocrine system: The endocrine system is a network of glands that produce and release hormones to regulate various body functions.
2. Identify the function of each gland mentioned: The thyroid gland regulates metabolism, the pineal gland regulates sleep patterns, the pancreas regulates blood sugar levels, and the pituitary gland is known as the 'master gland'.
3. Recognize the 'master gland': The pituitary gland is often referred to as the 'master gland' because it produces hormones that control other glands in the endocrine system.
4. Consider the influence of the pituitary gland: It secretes hormones that can stimulate other glands such as the thyroid, adrenal glands, and reproductive glands, influencing their hormone production.
5. Conclude that the pituitary gland is the correct answer: Based on its role in controlling and influencing other endocrine glands, the pituitary gland is the gland that fits the description in the problem.