Prolactin-releasing hormone (PRH)

Definition

Prolactin-releasing hormone (PRH) is a hypothalamic hormone that stimulates the anterior pituitary gland to release prolactin. Prolactin plays a key role in lactation and other reproductive processes.

5 Must Know Facts For Your Next Test

1. PRH is produced by the hypothalamus.
2. PRH stimulates the secretion of prolactin from the anterior pituitary gland.
3. Prolactin is primarily responsible for milk production in mammals.
4. The release of PRH can be regulated by factors such as stress and suckling.
5. Imbalances in PRH secretion can lead to disorders like hyperprolactinemia.

Review Questions

Related terms

Hypothalamus:

A region of the brain responsible for producing hormones that regulate various bodily functions, including PRH.

Anterior Pituitary Gland: The front portion of the pituitary gland that releases hormones such as prolactin in response to signals from hypothalamic hormones.

Hyperprolactinemia: A condition characterized by an abnormally high level of prolactin in the blood, often due to excessive secretion of PRH or other factors.