biological rhythm
21Infradian rhythm — An infradian rhythm is a rhythm with a period greater than the period of a circadian rhythm, i.e. with a frequency smaller than one cycle in 28 hours. [Brown, Frederick M. Graeber, R. Curtis, eds.. The Rhythmic Aspects of Behavior. Hillsdale, NJ …
22Circadian Rhythm (film) — This article is about the thriller movie. For the biological function, see Circadian rhythm. Circadian Rhythm is a movie that focuses on a young woman and her radical journey to discover who she is and to find out why multiple enemies want her… …
23Hellenistic biological sciences — R.J.Kankinson The five centuries that separate Aristotle’s death in 322 BC from Galen’s ascendancy in Rome in the latter part of the second century AD were fertile ones for the biological sciences, in particular medicine. Nor is the period solely …
24circadian rhythm — noun The internal body clock that regulates the (roughly) 24 hour cycle of biological processes in animals and plants. See Also: circadian …
25circadian rhythm — the regular recurrence in cycles of approximately 24 hours from one point to another, such as with certain biological activities that recur regardless of long periods of darkness or other changes in environmental conditions …
26circadian rhythm — noun a daily cycle of activity observed in many living organisms • Hypernyms: ↑biological time …
27endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …
28Biorhythm — A biorhythm (from Greek βιορυθμός biorhuthmos ) is a hypothetical cycle in physiological, emotional, or intellectual well being or prowess. Bio pertains to life and rhythm pertains to the flow with regular movement. Biorhythms theory has no more… …
29time perception — Introduction experience or awareness of the passage of time. The human experience of change is complex. One primary element clearly is that of a succession of events, but distinguishable events are separated by more or less lengthy… …
30radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
