TY - JOUR
T1 - Electrophysiological evidence for afferent nerve fibers in human ventral roots
AU - Phillips, Lawrence H.
AU - Park, T. S.
AU - Shaffrey, Mark E.
AU - Shaffrey, Christopher L.
PY - 2000/3/13
Y1 - 2000/3/13
N2 - This study was designed to test the hypothesis that ventral roots in humans contain afferent nerve fibers. We made direct electrophysiological recordings of compound nerve action potentials in dorsal and ventral roots in children undergoing selective dorsal rhizotomy for spastic cerebral palsy. We stimulated the saphenous or sural nerves, which are pure sensory nerves, with electrical stimuli while systematically recording from ventral and dorsal roots from L3 to S2. In addition to the dorsal root nerve action potentials which we expected, we found smaller compound nerve action potentials, which were clearly afferent, in the ventral roots. This confirms the limited amount of experimental evidence that ventral roots do contain some afferent nerve fibers. The functional significance of these observations is not yet clear. (C) 2000 John Wiley and Sons, Inc.
AB - This study was designed to test the hypothesis that ventral roots in humans contain afferent nerve fibers. We made direct electrophysiological recordings of compound nerve action potentials in dorsal and ventral roots in children undergoing selective dorsal rhizotomy for spastic cerebral palsy. We stimulated the saphenous or sural nerves, which are pure sensory nerves, with electrical stimuli while systematically recording from ventral and dorsal roots from L3 to S2. In addition to the dorsal root nerve action potentials which we expected, we found smaller compound nerve action potentials, which were clearly afferent, in the ventral roots. This confirms the limited amount of experimental evidence that ventral roots do contain some afferent nerve fibers. The functional significance of these observations is not yet clear. (C) 2000 John Wiley and Sons, Inc.
KW - Dorsal roots
KW - Law of Belt and Magendie
KW - Neuroanatomy
KW - Ventral root afferents
UR - http://www.scopus.com/inward/record.url?scp=0034001646&partnerID=8YFLogxK
U2 - 10.1002/(SICI)1097-4598(200003)23:3<410::AID-MUS13>3.0.CO;2-8
DO - 10.1002/(SICI)1097-4598(200003)23:3<410::AID-MUS13>3.0.CO;2-8
M3 - Article
C2 - 10679718
AN - SCOPUS:0034001646
VL - 23
SP - 410
EP - 415
JO - Muscle and Nerve
JF - Muscle and Nerve
SN - 0148-639X
IS - 3
ER -