Structure and functions of the sympathetic division of the ANS •
Figure 7.15
Cell bodies of the sympathetic preganglionic neurons are located in the gray matter of
spinal segments T1-T12 and L1—L2. Outflow from these neurons has multiple effects on
Preganglionic neurons
Postganglionic neurons
Eye
Brain
Salivary
glands
Heart
Spinal
cord
C1
C2
C3
Trachea
Cardiac
plexus
C4
Bronchi
C5
C6
Lungs
C7
C8
Pulmonary
plexus
T1 I--
T2 I
T3
Skin
Liver
Gallbladder
T4
15
Stomach
Spleen
Pancreas
Celiac
ganglion
T6
T7
Adipose tissue
Blood vessels
T8
'-«■Small <£
inteètine '
Large
intestine
T9
Äortico-renal^ N
ganglion
J
Adrenal
gland
Superiorv.
mesenteric
ganglion
L1
t
L 2 t
L3
L4
\
L5 ,
Kidney
Renal v
ganglion
S1
N S2 I
S3
Inferior
mesenteric
ganglion
Sympathetic
trunk ganglia
S4*
S5
Prevertebral
ganglia
Bladder
External genitals
Uterus
The Autonomic Nervous System Controls the Activities of Smooth Muscle, Cardiac Muscle, and Glands
211
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