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Autonomic Nervous System (Lecture 1)

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Autonomic Nervous System (ANS) | Sympathetic and Parasympathetic Nervous Systems

Let's review the anatomy and neurotransmitter of the autonomic nervous system parts. Understanding this system is crucial given the long COVID involving ANS.

This video is not intended to provide assessment, diagnosis, treatment, or medical advice; it also does not constitute provision of healthcare services. The content provided in this video is for informational and educational purposes only.
Please consult with a physician or healthcare professional regarding any medical or mental health related diagnosis or treatment. No information in this video should ever be considered as a substitute for advice from a healthcare professional.

PhD, John E. Hall; Michael E. Hall MD MSc. Guyton and Hall Textbook of Medical Physiology (Guyton Physiology) 14th Edition (p. 721). Kindle Edition. 

The autonomic nervous system is the portion of the nervous system that controls most visceral functions of the body. This system helps to control arterial pressure, gastrointestinal  motility, gastrointestinal secretion, urinary bladder emptying, sweating, body temperature, and many other activities.  Some of these activities are controlled almost entirely and some only partially by the autonomic nervous system. 

Lippincott's pharmacology: Drugs affecting the autonomic nervous system

* Recognize ANS characteristics: Involuntary and coordination with the endocrine system.

* Identify PNS components: Efferent and afferent divisions.

* Differentiate somatic and autonomic efferent pathways.

* Understand autonomic system subdivisions: Enteric, parasympathetic, and sympathetic.

* Grasp ANS anatomical aspects: Cell body location, neuron length, neurotransmitters, ganglion location, and ramus type.

* Distinguish between sympathetic and parasympathetic systems: Neuron length and neurotransmitters.

* Understand functions of both the sympathetic and parasympathetic nervous systems.

Following answers are created by ChatGPT. Occasionally the answer may be harmful, incorrect, false, misleading, incomplete, or limited in knowledge of world. Please contact your doctor for all healthcare decisions. Also, double check the answer provided by the AI below.


In addition to the presenter, following authors may have helped with the content writing, review, or approval:

  • Dr. Mobeen Syed

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Dr. Mobeen Syed Author declares no conflict of interest.

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