yana-notes

Autonomic Nervous System

links: Peripheral Nervous System reference: 5-1-2021

Autonomic Nervous System #

The three divisions are the: sympathetic, parasympathetic, and enteric. Targets cardiac/smooth muscles, and glands (both endocrine and exocrine). Contraction or relaxation. Involuntary.

  • Type B and C fibers.
  • Uses acetylcholine (parasympathetic, or sweat glands (sympathetic)) and noradrenaline (sympathetic).
  • Preganglionic & Post-ganglionic.

Parasympathetic Nervous System #