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releasing factor
noun
Biochemistry.
- a substance usually of hypothalamic origin that triggers the release of a particular hormone from an endocrine gland.
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51Թ History and Origins
Origin of releasing factor1
First recorded in 1950–55
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Example Sentences
Examples have not been reviewed.
Like the other releasing factor hormones, TRF is produced in the hypothalamus and reaches its target cells in the pituitary gland, just below the base of the brain.
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Dr. Vale’s first target was the master hormone known as CRF, or corticotrophin releasing factor, which integrates and controls the body’s response to stress.
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He helped Dr. Guillemin to his first success, the identification of TRF, or thyrotropin releasing factor.
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