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Somatosensory evoked potentials produced by stimulation of the dorsomedial nerves innervating the tail in dogs. 2002

Naomi Wada, and Junko Akatan, and Noriko Shikaki, and Atsuo Taga, and Kazuhito Itamoto, and Yasuho Taura, and Mikihiko Tokuriki
Department of Veterinary Physiology, Yamaguchi University, Japan.

To record the somatosensory evoked potentials (SEPs) produced by stimulation of tail nerves and determine the effects of acute compression of the cauda equina on SEPs. The subjects were 10 adult Beagles. SEPs were recorded after stimulating the dorsomedial nerves (DMN) innervating the tail. The cauda equina was compressed using a balloon catheter inserted into the vertebral arch. In SEPs, two negative and one positive peak were often observed. The compression of the cauda equina caused significant depression of the positive component. The SEPs produced by stimulation of the DMN reflect the activities of ascending neuronal pathways above the coccygeal spinal segments and may be a useful tool for examining cauda equina syndrome.

UI MeSH Term Description Entries
D008297 Male Males
D002420 Cauda Equina The lower part of the SPINAL CORD consisting of the lumbar, sacral, and coccygeal nerve roots. Filum Terminale,Equina, Cauda,Terminale, Filum
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005073 Evoked Potentials, Somatosensory The electric response evoked in the CEREBRAL CORTEX by stimulation along AFFERENT PATHWAYS from PERIPHERAL NERVES to CEREBRUM. Somatosensory Evoked Potentials,Evoked Potential, Somatosensory,Somatosensory Evoked Potential
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013623 Tail An extension of the posterior of an animal body beyond the TORSO. Tails

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