Adenohypophysis

Definition

The adenohypophysis, also known as the anterior pituitary gland, is a major part of the pituitary gland that produces and secretes hormones regulating various physiological processes. It plays a critical role in growth, metabolism, and reproduction.

5 Must Know Facts For Your Next Test

1. The adenohypophysis releases hormones such as growth hormone (GH), adrenocorticotropic hormone (ACTH), and thyroid-stimulating hormone (TSH).
2. It is regulated by releasing and inhibiting hormones from the hypothalamus.
3. Disorders of the adenohypophysis can lead to conditions like gigantism, dwarfism, and Cushing's disease.
4. Pharmacological interventions often target the hormones produced by the adenohypophysis for therapeutic purposes.
5. The adenohypophysis develops from an embryonic structure called Rathke's pouch.

Review Questions

• What are three key hormones secreted by the adenohypophysis?
• How does the hypothalamus regulate the function of the adenohypophysis?
• What are some common disorders associated with dysfunctions of the adenohypophysis?

Related terms

hypothalamus:

A region of the brain that controls many bodily functions through its influence on the pituitary gland.

neurohypophysis:

Also known as the posterior pituitary gland; it stores and releases oxytocin and vasopressin produced by the hypothalamus.

adrenal cortex:

The outer portion of the adrenal glands responsible for producing steroid hormones like cortisol and aldosterone.