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Noun rf has 3 senses
- releasing factor, releasing hormone, RF - a substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland
--1 is a kind of factor
--1 has particulars: growth hormone-releasing factor, GHRF
- rutherfordium, Rf, kurchatovium, Ku, unnilquadium, Unq, element 104, atomic number 104 - a radioactive transuranic element which has been synthesized
--2 is a kind of chemical element, element
- reticular formation, RF - 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
--3 is a kind of neural network, neural net
--3 is a part of brainstem, brain-stem, brain stem
--3 has parts: reticular activating system, RAS
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