parasympathetic nervous system — noun originates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels • Syn:… … Useful english dictionary
Parasympathetic nervous system — A part of nervous system that serves to slow the heart rate, increase the intestinal and gland activity, and relax the sphincter muscles. The parasympathetic nervous system, together with the sympathetic nervous system (that accelerates the heart … Medical dictionary
parasympathetic nervous system — noun Date: circa 1934 the part of the autonomic nervous system that contains chiefly cholinergic fibers, that tends to induce secretion, to increase the tone and contractility of smooth muscle, and to slow heart rate, and that consists of a… … New Collegiate Dictionary
sympathetic tone — continual background discharge of sympathetic nerve fibers, leading to resting contractions of cardiac and vascular smooth muscles. It normally increases and decreases in inverse proportion to parasympathetic tone … Medical dictionary
Ciliary muscle — The choroid and iris. (Ciliary muscle is labeled near top.) Latin musculus ciliaris Gray s … Wikipedia
Structural Integration — is a type of Alternative medicine which aims to align the human body in the gravitational field. [ [http://www.theiasi.org/whatis.php What is Structural Integration? ] ] The claimed benefit is that the increased use of balance at finer levels of… … Wikipedia
Vasovagal episode — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 13777 ICD10 = ICD9 = ICD9|780.2 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D019462 A vasovagal episode or vasovagal response is a malaise mediated by the vagus… … Wikipedia
Vasovagal response — Vasovagal episode Classification and external resources Vagus nerve ICD 10 R55 … Wikipedia
Pathophysiology of hypertension — A diagram explaining factors affecting arterial pressure The pathophysiology of hypertension is an area of active research, attempting to explain causes of hypertension, which is a chronic disease characterized by elevation of blood pressure.… … Wikipedia
vagotonia — Archaic designation for a condition in which the parasympathetic autonomic system is reputedly overactive. SYN: parasympathotonia, sympathetic imbalance. [vago + G. tonos, strain] * * * va·go·to·nia .vā gə tō nē ə … Medical dictionary