Neuroanatomy Draw It To Know It

6. Peripheral Nervous System—Autonomic Nervous System 99

DRAWING 6-3 Sympathetic Nervous System

Intermediolateral

cell column

of T1 - L2

Nucleus Ganglion Effector tissue

Superior cervical

Middle cervical

Inferior cervical

Paravertebral

chain

First thoracic

(Stellate)

10 additional thoracic, 4 lumbar,

4 sacral, & ganglion impar

Hypothalamus

Celiac

Aorticorenal

Superior mesenteric

Inferior mesenteric

Prevertebral ganglia

Splanchnic

nerves

Carotid arteries

Preganglionic sympathetic fibers Adrenal gland

Spleen & foregut

Renal vessels

Midgut

Hindgut, lower urinary

& reproductive organs

Head & neck

Upper extremity

Thoracoabdominal

targets

Convergence

Divergence

Ciliospinal center

of Budge C8 - T2

Spinal cord

Heart