Difference between Sympathetic and Parasympathetic Nervous System -
S.NO.
|
SYMPATHETIC
|
PERASYMPATHETIC
|
1.
|
Components are visible
|
Not visible
|
2.
|
Ganglions linked to form chain
|
Ganglions are isolated
|
3.
|
Its praganglionic fibres emerge with
|
With cranial & spinal both
|
|
spinal nerves only
|
|
4.
|
Preganglionic fibres are shorter than
|
longer
|
|
postganglionic fibres
|
|
5.
|
Adrenergic & cholinergic
|
Cholinergic
|
6.
|
Overall effect is excitatory
|
Inhibitory
|
7.
|
Active during stressfull condition
|
Relaxed condition
|
8.
|
Area of influance is diffused
|
Localized
|
9.
|
Acetylcholine + sympathin are secreted
|
Only actylcholine
|
10.
|
Relaxation of gut muscle
|
Contraction
|
11.
|
Contraction of skin muscle
|
Relaxation
|
12.
|
Decrease in the secretion of saliva
|
Increase
|
13.
|
Tightening of gut sphinctor
|
Loosing
|
14.
|
Vaso constriction
|
Vasodilation
|
15.
|
Rise in B.P.
|
Fall
|
16.
|
Relaxation of bladder muscle
|
Contraction
|
17.
|
Dialation of pupil
|
Contraction
|
18.
|
Dialation of bronchi
|
Narrowing
|
19.
|
Accelerating heart beat.
|
Slowing
|