AutonomicNervousSystem

An edited version of my Friday Evening Discouse given to the Royal Institution on 11 April 2008. Abstract: The vagus nerves (cranial nerve X) connects our brainstem to the body, facilitating monitoring and control of many automatic functions; the vagus electrically links our gut, lungs and heart to the base of the brain in an evolutionarily-ancient circuit, similar between mammals and also seen in birds, reptiles, and amphibians. The vagus comprises a major part of the parasympathetic autonomic nervous system, contributing to the motor control of important physiological functions such as heart rate and gut motility. The vagus is also sensory, relaying protective visceral information leading to reflexes like cough and indication of lung volume. The vagus has been described as a neural component of the immune reflex. By monitoring changes in the level of control exerted by the vagus, apparent as beat by beat changes of heart rate, it is possible to indirectly view the effect of pharmaceuticals and disease on brainstem function and neural processes underlying consciousness. The paired vagus nerves of humans have different functions, and stimulation of the left vagus has been shown to be a therapeutic treatment for epilepsy, and may modulate the perception of pain.  

The facial nerve is the seventh cranial nerve, or simply cranial nerve VII.  

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http://www.anatomyzone.com 3D anatomy tutorial providing an introduction to the anatomy and basic function of the autonomic nervous system using the BioDigit...  

Discussion of the determinants of cardiac output including tissue hypoxia and acidosis, and stimulation from the autonomic nervous system.  

Autonomic Nervous System Overview. Autonomic Nervous System Overview.  

Covers terminology, anatomy overview, receptors and transmitters and applied physiology.  

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Discussion of the anatomy, pathology and management of facial nerve palsy  

A quick guide to the Facial Nerve . More detailed blurb below! If you'd like to contact us, email anatomyroom@gmail.com Welcome to our series of videos on he...  

A quick guide to . More detailed blurb below! If you'd like to contact us, email anatomyroom@gmail.com Welcome to our series of videos on head & neck anatomy...  

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This lecture is about understanding autonomic nervous system physiology including sympathetic and parasympathetic pathways. Watch more videos on other lectur...  

Starting in the spinal cord, this video takes you step-by-step through the sympathetic and parasympathetic pathways related to the organs of the thorax, abdo...  

http://www.handwrittentutorials.com - This tutorial looks at the ways in which the Nervous System is divided and categorised, both functionally and anatomically. Concepts such as the CNS, PNS and the Autonomic Nervous system are discussed in detail. For more entirely FREE tutorials and the accompanying PDFs visit http://www.handwrittentutorials.com  

A quick guide to the Vagus nerve. More detailed blurb below! If you'd like to contact us, email anatomyroom@gmail.com Welcome to our series of videos on head...  

A quick guide to Glossopharyngeal Nerve. More detailed blurb below! If you'd like to contact us, email anatomyroom@gmail.com Welcome to our series of videos ...  

A quick guide to Glossopharyngeal Nerve. More detailed blurb below! If you'd like to contact us, email anatomyroom@gmail.com Welcome to our series of videos ...  

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Adrenergic Receptors Adrenergic receptors are divided into two major classes: alpha-adrenergic receptors and beta-adrenergic receptors. These classes have been further subdivided into alpha1- and alpha2-adrenergic receptors and beta1- and beta2-adrenergic receptors. Alpha1-adrenergic receptors are located on the membranes of postsynaptic […]