hypothalamic releasing factor
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hypothalamic releasing factor[¦hī·pō·thə′lam·ik ri′lēs·iŋ ‚fak·tər]
Any of the hormones secreted by the hypothalamus which travel by way of nerve fibers to the anterior pituitary, where they cause selective release of specific pituitary hormones.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.