Blog
Save
Email
Print
ShareThe parasympathetic nervous system is one of three divisions of the autonomic nervous system.
See also:
Sometimes called the rest and digest system, the parasympathetic system conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles in the gastrointestinal tract.
For more information about the topic Parasympathetic nervous system, read the full article at Wikipedia.org, or see the following related articles:
Sympathetic nervous system — The sympathetic nervous system (SNS) is part of the autonomic nervous system (ANS), which also includes the parasympathetic nervous system (PNS). The ... > read more
Motor neuron — In vertebrates, motor neurons (also called motoneurons) are efferent neurons that originate in the spinal cord and synapse with muscle fibers to ... > read more
Neurotransmitter — Neurotransmitters are chemicals that are used to relay, amplify and modulate electrical signals between a neuron and another cell. Substances that ... > read more
Spinal cord — The spinal cord is a part of the vertebrate nervous system that is enclosed in and protected by the vertebral column (it passes through the spinal ... > read more
Sensory neuron — Sensory neurons are nerve cells within the nervous system responsible for converting external stimuli from the organism's environment into internal ... > read more
Cells of the stomach — Parietal cells (also called oxyntic cells) are the stomach epithelium cells which secrete gastric acid. Parietal cells produce gastric acid ... > read more
Nervous system — The nervous system of an animal coordinates the activity of the muscles, monitors the organs, constructs and also stops input from the senses, and ... > read more
Central nervous system — The central nervous system (CNS) represents the largest part of the nervous system, including the brain and the spinal cord. Together with the ... > read more
Vomiting — Vomiting (or emesis) is the forceful expulsion of the contents of one's stomach through the mouth. Although it probably evolved as a mechanism for ... > read more
Nociceptor — A nociceptor is a sensory receptor that sends signals that cause the perception of pain in response to potentially damaging stimulus. Nociceptors are ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Parasympathetic nervous system at Wikipedia.org. See the Wikipedia copyright page for more details.
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
Recommend this page on Facebook, Twitter,
and Google +1:
Other bookmarking and sharing tools:
more 