1. releasing factor, releasing hormone, RF, factor

usage: a substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland

2. rutherfordium, Rf, unnilquadium, Unq, element 104, atomic number 104, chemical element, element

usage: a radioactive transuranic element which has been synthesized

3. reticular formation, RF, neural network, neural net

usage: a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone

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See also: rf (Dictionary)