peripheral nervous system

pars peripherica

A major division of the nervous system that contains nerves which connect the central nervous system (CNS) with sensory organs, other organs, muscles, blood vessels and glands.

Тип Muscle
Система органов Nervous
Латинское название pars peripherica
FMA ID 9903

Часто задаваемые вопросы

What is the peripheral nervous system and what does it include?
The peripheral nervous system (PNS) encompasses all neural tissue outside the brain and spinal cord. It includes cranial nerves (12 pairs), spinal nerves (31 pairs), ganglia, and sensory receptors, and is divided into somatic and autonomic divisions.
How does the PNS differ from the central nervous system?
The central nervous system (CNS) consists of the brain and spinal cord, which process and integrate information. The PNS connects the CNS to the rest of the body, transmitting sensory signals inward (afferent) and motor commands outward (efferent).
Can peripheral nerves regenerate after injury?
Unlike CNS neurons, peripheral nerves have significant regenerative capacity. Schwann cells in the PNS create a regenerative environment, and severed axons can regrow along the preserved myelin sheaths at approximately 1-3 mm per day, enabling partial or complete functional recovery.

Связанные структуры

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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.