Sympathetic pathways

**preganglionic fiber** for head (including eyes and skin above the orbit)

T1

**ganglion** for head (including eyes and skin above the orbit)

superior cervical

**postganglionic fiber** for head (including eyes and skin above the orbit)

internal carotid plexus

**preganglionic fiber** for face and neck (organs and blood vessels)

upper thoracics

**ganglion** for face and neck (organs and blood vessels)

all 3 cervical

**postganglionic fiber** for face and neck (organs and blood vessels)

external carotid, pharyngeal, and thyroid plexuses

**preganglionic fiber** for thorax (organs and blood vessels)

upper thoracics

**ganglion** for thorax (organs and blood vessels)

all 3 cervical

**postganglionic fiber** for thorax (organs and blood vessels)

cardiopulmonary nerves

**preganglionic fiber** for abdomen/pelvis (organs and blood vessels)

splanchnic nerves

**ganglion** for abdomen/pelvis (organs and blood vessels)

prevertebral

**postganglionic fiber** for abdomen/pelvis (organs and blood vessels)

celiac and mesenteric plexus

**preganglionic fiber** for body wall and limbs (sweat glands and blood vessels)

T1-L2(3)

**ganglion** for body wall and limbs (sweat glands and blood vessels)

paravertebral

**postganglionic fiber** for body wall and limbs (sweat glands and blood vessels)

spinal nerves