parasympathetic nervous system

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Diagram of the autonomic nervous system showing the sympathetic and parasympathetic divisions. The left side illustrates sympathetic nerves branching from the spinal cord to organs and glands, while the right side shows parasympathetic nerves connecting to organs such as the eye, heart, lungs, liver, stomach, intestines, and bladder. Color-coded pathways and labeled ganglia highlight the different nerve routes and target organs in human anatomy.

Diagram showing the organization of the autonomic nervous system, with labeled pathways for parasympathetic and sympathetic nerves, highlighting synapses, neurotransmitters like acetylcholine and norepinephrine, and their receptor types.

How does the autonomic nervous system maintain homeostasis?

A close-up black-and-white image of an actress with wide, frightened eyes.

parasympathetic nervous system: References & Edit History

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Article History

Type	Description	Contributor	Date
	Modified link of Web site: National Center for Biotechnology Information - Neuroanatomy, Parasympathetic Nervous System.	Grace Young	Oct 16, 2026
	Add new Web site: UEN Digital Press with Pressbooks - Introduction to Neuroscience - Parasympathetic Nervous System.	Grace Young	May 02, 2026
	Add new Web site: TeachMeAnatomy - The Parasympathetic Nervous System.	Grace Young	Feb 28, 2025
	Add new Web site: CORE - Parasympathetic nervous system activity predicts mood repair use and its effectiveness among adolescents with and without histories of major depression (PDF).	Aakanksha Gaur	Nov 23, 2024
	Add new Web site: Verywell Mind - How the Parasympathetic Nervous System Influences Your Mental Health.	Gloria Lotha	Oct 11, 2024
	Add new Web site: AHA\|ASA Journals - Circulation - Parasympathetic Nervous System and Heart Failure: Pathophysiology and Potential Implications for Therapy.	Gloria Lotha	Aug 30, 2024
	Add new Web site: Hospital for Special Surgery - How the Parasympathetic Nervous System Can Lower Stress.	Grace Young	Jul 20, 2024
	Add new Web site: Medscape - Parasympathetic Nervous System anatomy.	Grace Young	Jun 08, 2024
	Add new Web site: Live Science - Rest and digest: The parasympathetic nervous system.	Gloria Lotha	Nov 27, 2023
	Add new Web site: WebMD - Parasympathetic Nervous System: What to Know.	Gloria Lotha	Aug 22, 2023
	Add new Web site: Simply Psychology - Parasympathetic Nervous System (PSNS) Functions and Division.	Gloria Lotha	Jun 17, 2023
	Add new Web site: National Center for Biotechnology Information - Neuroanatomy, Parasympathetic Nervous System.	Emily Rodriguez	May 06, 2023
	Add new Web site: Healthline - Your Parasympathetic Nervous System Explained.	Gloria Lotha	Feb 25, 2023
	Add new Web site: Cleveland Clinic - Parasympathetic Nervous System (PSNS).	Aakanksha Gaur	Jan 13, 2023
	Add new Web site: GoodTherapy - Parasympathetic Nervous System.	Emily Rodriguez	Sep 06, 2019
	New article added.	Kara Rogers	May 14, 2019