RF

📖 中文释义

📘 English Definition（英文释义）

n a substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland
n a radioactive transuranic element which has been synthesized
n 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