sympathetic nervous system

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• sympathetic nervous system — noun Date: 1850 the part of the autonomic nervous system that contains chiefly adrenergic fibers and tends to depress secretion, decrease the tone and contractility of smooth muscle, and increase heart rate compare parasympathetic nervous system …   New Collegiate Dictionary



• Sympathetic nervous system — Infobox Anatomy Name = Sympathetic nervous system Caption = The sympathetic nervous system extends from the thoracic to lumbar vertebrae and has connections with the thoracic, abdominal, and pelvic plexuses. Mesh = Sympathetic+Nervous+SystemThe… …   Wikipedia

• nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium

• Nervous system — Nervous Nerv ous (n[ e]rv [u^]s), a. [L. nervosus sinewy, vigorous: cf. F. nerveux. See {Nerve}.] 1. Possessing nerve; sinewy; strong; vigorous. Nervous arms. Pope. [1913 Webster] 2. Possessing or manifesting vigor of mind; characterized by… …   The Collaborative International Dictionary of English

• Sympathetic nervous system — A part of the nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise blood pressure. The sympathetic nervous system and the parasympathetic nervous system constitute the autonomic nervous system, the branch of …   Medical dictionary

• sympathetic nervous system — One of the two divisions of the vertebrate autonomic nervous system (the other being the parasympathetic nervous system). The sympathetic preganglionic neurons have their cell bodies in the thoracic and lumbar regions of the spinal cord, and… …   Dictionary of molecular biology

• sympathetic nervous system — 1) Медицина: симпатическая нервная система, симпатическая часть вегетативной нервной системы 2) Авиационная медицина: автономная нервная система 3) Макаров: (SNS) симпатическая нервная система …   Универсальный англо-русский словарь

• sympathetic part of autonomic division of nervous system — 1) Общая лексика: симпатическая часть вегетативного отде (совокупность структур, которая вместе с парасимпатической частью составляет вегетативный (автономный) отдел нервной системы) 2) Анатомия: симпатическая часть автономного отдела нервной… …   Универсальный англо-русский словарь

• sympathetic nervous system — Abbreviation: sns …   Универсальный русско-английский словарь

• sympathetic nervous system — мед.фраз. симпатическ нервная система …   Англо-русский медицинский словарь