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PNS - Coggle Diagram
PNS
sensory endings
skin
encapsulated
Ruffini ending
subcutaneous
glaborous and hairy
meissners corpuscle
dermal papillary ridges
long axis perpendicular
end bulbs
glaborous dermis near orifices
Pacinian corpuscle
non-encapsulated
cutaneous plexus
sub cutaneous plexus
dermal plexus
papillary plexus
free nerve endings
merkel discs
peritrichial nerve endings
tendons, muscles, joints
propriorecptors
muscle spindle
lots of fibres
II
Ia
Agamma
golgi tendon organ
AB or IB fibre
nociceptors
viscera
non-encapsulated
sensations of fullness
Pain (in separate nerves)
pacinian corpuscles in mesenteries
nerves
myelinated
Aalpha or IA
motor to skeletal
sensory from proprioceptors
Abeta or IB
sensory from tendons
ruffini from skin
A beta or II
sensory from meissner's and pacinian corpuscles
Agamma
motor to muscle spindles
Adelta or III
sensory from hair follicles and free nerve
B
preganglionic autonomic
unmyelinated
still have schwann cells associated
C
motor endings (effector)
muscles
motor end plates
postganglionic autonomic endings
ganglia
spinal
cell bodies of primary sensory neurons
autonomic (efferents)
sympathetic
in the spinal trunk
parasympathetic
close to target area
