| the movement of an organism in response to a stimulus such as light |
| being or occurring on the receiving end of a discharge across the synapse |
biorhythm bi·o·rhythm (bī'ō-rĭ&phonth;'əm)
n.
A biologically inherent cyclic variation or recurrence of an event or state, such as sleep cycles, circadian rhythms, and periodic diseases.
biorhythm (bī'ō-rĭ 'əm) Pronunciation Key
A recurring biological process, such as sleep, that is controlled by the circadian rhythms of an organism. See more at circadian rhythm. |