biological rhythm
81Phase response curve — A phase response curve (PRC) illustrates the transient change in the cycle period of an oscillation induced by a perturbation as a function of the phase at which it is received. PRCs are used in various fields; examples of biological oscillations …
82PTGS2 — See also: Cyclooxygenase Prostaglandin endoperoxide synthase 2 (prostaglandin G/H synthase and cyclooxygenase) PDB rendering based on 6COX …
83Delta wave — For other uses, see Wolff Parkinson White syndrome. Delta waves, an EEG (electroencephalograph) one second sample A delta wave is a high amplitude brain wave with a frequency of oscillation between 0–4 hertz. Delta waves, like other brain waves,… …
84Cryptochrome — 1 (photolyase like) Crystal structure of the PHR domain of cryptochrome 1 from Arabidopsis thaliana.[1] …
85Ctenophora — For the genus of crane flies, see Ctenophora (genus). Comb jellies Temporal range: Cambrian – Recent …
86Augustin Pyramus de Candolle — A. P. de Candolle …
87Siesta — This article is about the short nap. For other uses, see Siesta (disambiguation). A painting of a young woman taking a siesta. (The hammock, Gustave Courbet (1844).) A siesta (Spanish pronunciation: [ˈsjesta]) is a short nap taken in the… …
88Pathophysiology of chronic fatigue syndrome — The pathogenesis of chronic fatigue syndrome (CFS) is uncertain, but may involve multiple organ and body systems, including neurological, endocrinal and immunological factors.Nervous system factorsNeurological abnormalitiesCFS may involve… …
89Health and Disease — ▪ 2009 Introduction Food and Drug Safety. In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …
90Attention deficit hyperactivity disorder — Attention deficit/hyperactivity disorder Classification and external resources Children with ADHD often find it difficult to do their schoolwork. ICD 10 F …
