reciprocal beat — a cardiac impulse that in one cycle causes ventricular contraction, travels back toward the atria, then reexcites the ventricles; a series of such beats constitutes a reciprocal rhythm … Medical dictionary
rhythm — 1. Measured time or motion; the regular alternation of two or more different or opposite states. 2. SYN: r. method. 3. Regular or irregular occurrence of an electrical event in the electrocardiogram or electroencephalogram. SEE ALSO: wave. 4.… … Medical dictionary
Irregular sleep–wake rhythm — Irregular sleep wake rhythm Classification and external resources ICD 10 G47.2 ICD 9 327.33 … Wikipedia
extrasystole — A nonspecific word for an ectopic beat from any source in the heart. SYN: premature beat, premature systole. atrial e. premature complex of the heart arising from an ectopic atrial focus … Medical dictionary
beat — 1. To strike; to throb or pulsate. 2. A stroke, impulse, or pulsation, as of the heart or pulse. 3. Activity of a cardiac chamber produced by catching a stimulus generated elsewhere in the … Medical dictionary
СЕРДЦЕ — СЕРДЦЕ. Содержание: I. Сравнительная анатомия........... 162 II. Анатомия и гистология........... 167 III. Сравнительная физиология.......... 183 IV. Физиология................... 188 V. Патофизиология................ 207 VІ. Физиология, пат.… … Большая медицинская энциклопедия
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
Central pattern generator — Central pattern generators (CPGs) are neural networks that produce rhythmic patterned outputs without sensory feedback.[1][2] CPGs have been shown to produce rhythmic outputs resembling normal rhythmic motor pattern production even in isolation… … Wikipedia
Craniosacral therapy — Still point redirects here. For the novel, see The Still Point. Craniosacral therapy (also called CST, also spelled Cranial Sacral bodywork or therapy) is an alternative medicine therapy used by osteopaths, massage therapists, naturopaths, and… … Wikipedia
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium