Journal ArticleDOI
Distribution of the dorsal root fibers in the cat. An experimental study with the Nauta method.
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The intimate overlap between distribution areas of two adjacent cervical dorsal roots in the nucleus proprius of the posterior horn prevented their topographical separation, and the distribution of degenerating fibers of every second cervical dorsal root showed much less overlapping.About:
This article is published in Brain Research.The article was published on 1969-04-01. It has received 92 citations till now. The article focuses on the topics: Spinal trigeminal nucleus.read more
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The distribution of visceral primary afferents from the pelvic nerve to Lissauer's tract and the spinal gray matter and its relationship to the sacral parasympathetic nucleus
C. Morgan,C. Morgan,Irving Nadelhaft,Irving Nadelhaft,William C. de Groat,William C. de Groat +5 more
TL;DR: The widespread rostrocaudal extent of the pelvic primary afferent projection is consistent with the necessity for the integration of somatic and autonomatic elements from various levels of the lumbo‐sacral‐coccygeal spinal cord in the performance of pelvic visceral functions.
Journal ArticleDOI
The presence of ineffective synapses and the circumstances which unmask them.
TL;DR: The presence of ineffective synapses in the adult offers an alternative to sprouting or the opening up of polysynaptic pathways as a possible mechanism to explain plasticity of connections in adult brains.
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Integration in descending motor pathways controlling the forelimb in the cat. 10. Inhibitory pathways to forelimb motoneurones via C3-C4 propriospinal neurones.
TL;DR: The lateral interneurones were found in the lateral part of lamina VII interspersed among the C3-C4 PNs and like them they receive convergent monosynaptic EPSPs and disynaptic IPSPs from the cortico-, rubro-, tecto- and reticulospinal tracts as discussed by the authors.
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Central distribution of trigeminal and upper cervical primary afferents in the rat studied by anterograde transport of horseradish peroxidase conjugated to wheat germ agglutinin.
Kristian Pfaller,Jan Arvidsson +1 more
TL;DR: Comparisons of the central projection fields of trigeminal and upper cervical primary afferents indicated a somatotopic organization but with a certain degree of overlap.
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Prevertebral (oesophageal) recording of subcortical somatosensory evoked potentials in man: the spinal P13 component and the dual nature of the spinal generators.
Jean Edouard Desmedt,Guy Cheron +1 more
TL;DR: The use of 14 simultaneous recordings including a series of pre- and post-vertebral electrodes clearly identified two distinct generators for the spinal SEP components to median nerve stimulation: a presynaptic generator which ascends the dorsal column (N 11 ) and a postsynaptic fixed generator in the dorsal horn of the cervical spinal cord (N 13 -P 13).
References
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Silver Impregnation of Degenerating Axons in the Central Nervous System: A Modified Technic
Walle J. H. Nauta,P. A. Gygax +1 more
TL;DR: Frozen sections of formalin-fixed brains containing surgical lesions, were treated with 15% ethanol for 0.5 hr, and subsequently treated with 0.05% potassium permanganate for 4–10 min, and covered in neutral synthetic resin.