SYMPATHETIC SYSTEM VS PARASYMPATHETIC SYSTEM

1. DIFFERENCES
D R N I L E S H N K A T E , P R O F E S S O R , P H Y S I O L O G Y , / D I F F E R E N C E S Page 9
Difference Between
SYMPATHETIC SYSTEM &
PARASYMPATHETIC SYSTEM
SYMPATHETIC PARASYMPATHETIC
1
Location of cell
bodies –
intermediolateral
horn of T1-L2
Location of cell
bodies – in cranial
outflow &
intermediolateral
horn of S2-S4
2
Ganglia – Linked
up to form chain
Ganglia – isolated.
3
Pre-ganglionic
fibres– short,
myelinated.
Long , myelinated.
4
Post-ganglionic
fibres – Long &
Non-myelinated
Post-ganglionic fibres
– short & Myelinated
5
Post - ganglionic
neurotransmitter -
adrenergic
Post - ganglionic
neurotransmitter –
cholinergic.
6
Helps in Fight or
flight reaction.
Concerned with
vegetative aspect of
day to day living.