Physiology. A part of an organ or of the body that controls some rhythmic physiological activity other than that of the heart.
| 单词 | θ27683 | 
| 释义 | the world > life > the body > internal organs > 			[noun]		 > controlling rhythmic activity (1)		 pacemaker1949 Physiology. A part of an organ or of the body that controls some rhythmic physiological activity other than that of the heart.  | 
	
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