One of the two divisions of the autonomic nervous system. The parasympathetic system is craniosacral (craniosacral outflow). Its fibers are found in the brain associated with certain cranial nerves and in the pelvic splanchnic nerves (S2-4) only.


They include

Pharyngeal plexus

Superior layrngeal branch of X

Pulmonary branch of X

Esophageal branch of X

Gastric branch of X

Celiac branch of X

Anterior pulmonary plexus

Anterior vagus nerve

Posterior vagus nerve

Posterior pulmonary plexus

Auriclar branch of X

Cervical cardiac branch of X

Carotid body nerve

Carotid body plexus

Esophageal plexus

External laryngeal

Hepatic branch of X

Internal laryngeal

Left recurrent laryngeal

Right recurrent laryngeal

Ansa subclavia

Left branch of anterior vagus

Pharyngeal branch of X

Posterior pulmonary branches of X

Posterior vagus

Gastric branch of posterior X

Ramus lingualis vagi

Renal branch of X

Right branch of anterior vagus

Tonsillar plexus

Pelvic splanchnic nerves


There is nothing in anatomy not found in this website

Electronic School of Medicine
Creator: Oluwole Ogunranti

Blue is parasympathetic, brown is sympathetic






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