rf

Noun (3)

1. a substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary glandSynonyms: releasing factorreleasing hormoneRF
2. a radioactive transuranic element which has been synthesizedSynonyms: rutherfordiumRfunnilquadiumUnqelement 104atomic number 104
3. 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 toneSynonyms: reticular formationRF