somatic nervous system

PNS - somatic

Part of peripheral nervous system that includes the somatic parts of the cranial and spinal nerves and their ganglia and the peripheral sensory receptors.

Typ Nerve
Körpersystem Nervous
Lateinischer Name PNS - somatic
FMA ID 9904

Häufig gestellte Fragen

What is the somatic nervous system responsible for?
The somatic nervous system controls voluntary skeletal muscle movement and conveys conscious sensory information from the body surface, muscles, and joints to the CNS. It includes the cranial and spinal nerves innervating skin and skeletal muscles.
How does the somatic nervous system differ from the autonomic nervous system?
The somatic nervous system controls voluntary, conscious actions and conveys conscious sensations. The autonomic nervous system controls involuntary functions like heart rate and digestion. Somatic motor pathways use a single neuron to reach skeletal muscle, while autonomic pathways use two-neuron chains.
What is the role of sensory receptors in the somatic nervous system?
Peripheral sensory receptors in the somatic nervous system detect mechanical, thermal, and nociceptive (pain) stimuli from the skin, muscles, and joints. These signals are transmitted via afferent neurons through spinal or cranial nerves to the brain for conscious processing.

Verwandte Strukturen

accessory nucleus of optic tract nuclei accessorii tractus optici muscle spindle muscle stretch receptor mushroom body corpora pedunculata myelencephalon sulcus limitans cavum septum pellucidum cave of septum pellucidum spinal cord commissure neodentate part of dentate nucleus neodentate portion of dentate nucleus nerve nerves

Medizinischer Haftungsausschluss

Dieser Inhalt dient ausschließlich zu Bildungs- und Informationszwecken. Er ist nicht als Ersatz für professionellen medizinischen Rat, Diagnose oder Behandlung gedacht. Wenden Sie sich bei Fragen zu einem medizinischen Zustand stets an Ihren Arzt oder einen anderen qualifizierten Gesundheitsdienstleister. Ignorieren Sie niemals professionellen medizinischen Rat oder verzögern Sie dessen Einholung aufgrund von etwas, das Sie auf dieser Website gelesen haben.

Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.