Your sympathetic nervous system is the network of nerves behind the “fight-or-flight” response. It helps your brain manage body systems in times of stress or danger.

The sympathetic nervous system (SNS or SANS, sympathetic autonomic nervous system, to differentiate it from the somatic nervous system) is one of the three divisions of the autonomic nervous system, the others being the parasympathetic nervous system and the …

2025年1月7日 · sympathetic nervous system, division of the nervous system that functions to produce localized adjustments (such as sweating as a response to an increase in temperature) and reflex adjustments of the cardiovascular system.

2023年11月2日 · This article discusses the anatomy, definitions and function of the sympathetic nervous system, including clinical aspects. Learn this topic now at Kenhub!

2023年5月8日 · The clinical significance of the sympathetic nervous system is vast as it affects many organ systems. Of the many physiological and pathological processes, pheochromocytoma, erections and priapism, diabetic neuropathy, and orthostatic hypotension are described below.

2023年11月10日 · The sympathetic nervous system is a branch of the autonomic nervous system that prepares the body for "fight or flight" responses during stressful situations. It increases heart rate, dilates pupils, and inhibits digestion, among other functions, to mobilize the body's resources for immediate action.

2024年10月15日 · In this article, we shall look at the anatomy of the sympathetic nervous system – its components, actions, and clinical correlations. Access this feature with pro. The sympathetic nervous system consists of the following components: Pre-ganglionic fibres – these originate within the thoracic and lumbar divisions of the spinal cord.

2024年11月29日 · Explore how the sympathetic nervous system intricately regulates body functions, impacting metabolism, cardiovascular health, and more. The sympathetic nervous system (SNS) maintains homeostasis by regulating physiological processes.

2018年4月4日 · What is a sympathetic nervous system? Our nervous system consists of three nerve types: sensory nerves, motor nerves, and autonomic nerves. Sensory nerves allow us to hear, see, smell, taste and feel. Motor nerves allow our brain to command and order our muscles to move (or not move).

The sympathetic nervous system (SNS) is one of the two divisions of the autonomic nervous system (ANS), along with the parasympathetic nervous system (PNS), These systems primarily work unconsciously in opposite ways to regulate many functions and parts of the body.