hypothalamic releasing factor

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hypothalamic releasing factor

The scientist studies the hypothalamic releasing factor in the laboratory.

Definition
  1. Noun:
    • A neurohormone produced in the hypothalamus: A hypothalamic releasing factor is any of several hormones synthesized in the hypothalamus. These hormones are transported via a specialized portal vein system to the anterior pituitary gland.
    • A stimulator of anterior pituitary hormone secretion: Its primary function is to stimulate or "release" the secretion of specific hormones from the anterior pituitary gland. Each distinct hypothalamic releasing factor triggers the pituitary to secrete a corresponding specific hormone.
Usage Examples
  • Noun:
    • Corticotropin-releasing hormone (CRH) is a key hypothalamic releasing factor that regulates the body's stress response.
    • The secretion of growth hormone is controlled by a hypothalamic releasing factor and a corresponding inhibiting factor.
    • Scientists are studying how a specific hypothalamic releasing factor signals the pituitary to release thyroid-stimulating hormone.
Advanced Usage
  • In endocrinology: The term is often used in the context of the hypothalamic-pituitary axis, describing the precise chemical communication between the brain and the endocrine system.
    • The feedback loop involves hormones from target glands inhibiting the production of their corresponding hypothalamic releasing factor.
Variants and Related Words
  • Hypothalamic releasing hormone (HRH): A fully synonymous term.
  • Releasing factor (RF): A common abbreviated form used in medical and biological contexts.
  • Hypophysiotropic hormone: A more technical term emphasizing the hormone's target (the pituitary gland, or hypophysis).
  • Hypothalamic inhibiting factor: A related type of hypothalamic hormone that suppresses pituitary hormone release.
Synonyms
  • Releasing hormone
  • Hypophysiotropic factor
Related Phrases
  • Hypothalamic-pituitary portal system: The specialized network of blood vessels that transports releasing factors from the hypothalamus to the anterior pituitary.
  • Negative feedback inhibition: The process where a hormone released by a peripheral gland (e.g., cortisol, thyroxine) signals back to suppress the secretion of its hypothalamic releasing factor.
hypothalamic releasing factor

The scientist studies the hypothalamic releasing factor in the laboratory.

Noun
  1. any of several hormones produced in the hypothalamus and carried by a vein to the anterior pituitary gland where they stimulate the release of anterior pituitary hormones; each of these hormones causes the anterior pituitary to secrete a specific hormone

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