Techniques

Evaluation of Interstitial Nerve Cells in the Central by Dr. Gopal D. Das, Dr. Georg W. Kreutzberg (auth.)

By Dr. Gopal D. Das, Dr. Georg W. Kreutzberg (auth.)

The presence of nerve cells within the white subject of the spinal wire and within the spinal and cranial nerves has attracted the eye of a few researchers long ago. due to their place in such unforeseen areas, those neurons supplied a wealthy box of hypothesis concerning their nature and serve as. This was once partic­ ularly actual concerning the nerve cells mendacity within the spinal white topic. From phylogenetic concerns, neurons within the spinal white topic are current extra abundantly in amphibians, reptiles and brids than in mammals. A. short survey of literature on decrease vertebrates shows that GASKELL (1885, 1889) used to be the 1st to explain the displaced neurons within the white topic of the spinal wire of alligators and diverse species of birds. In his attention they have been displaced ganglion cells. In 1902 von KOELLIKER gave an exhaustive account of such neurons within the white topic of the spinal wire of reptiles and birds. In those animals he saw clusters of such neurons working in longitudinal columns and hence was once capable of staff them into nuclei often called "Hofmann's nuclei". extra, he urged that those nuclei come up from the mass of the ventral horn and they can give upward push t. o preganglionic fibers, motor fibers or ventral commissural fibers. In t. he resulting years research of those nuclei was once prolonged via STREE­ TER, KRAUSE, TERNI, HUBER and others (quoted from ARIENS KAPPERS et. aI. , 1960, Vol. I, p. 206-210).

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Extra resources for Evaluation of Interstitial Nerve Cells in the Central Nervous System: A Correlative Study Using Acetylcholinesterase and Golgi Techniques

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J. H. : The isodendritic core of the brain stem. J. compo Neurol. 126, 311-335 (1966). 58 G. D. DAS and G. W. , et M. MOSINGER: La substance innominee de Reichert et des connexions. Rev. neurol. II, 873-875 (1934). - - Le systeme reticulaire du nevraxe et ses rapports avec les centres vegetatifs superieurs. Rev. neurol. 63, 948-958 (1935). SCHAFFER, E. : Note on the occurance of ganglion cells in the anterior roots of the eat's spinal nerves. Proc. roy. Soc. B 31, 348 (1881). SCHEIBEL, A. : On detailed connections of the medullary and pontine reticular formation.

18. a Interstitia l nerve cells in the dorsal region of the restiform body, at the level of the interstitial ventral cochlear nucleus. Arrows indicate the neurons that are shown in draw· ing b. Neuron B is slightly out of focus in the picture. Golgi method. Guinea pig 30 days old. X 75 The interstitial neurons from ventral region (Fig. 17 a , b), it may be emphasized, belong exclusively to the restiform body and ra mify their dendrites within this fiber bundle. The large interstitial neurons, described abov e, differ from those found in clusters in the restiform body and those in the nuclei X and Y of BRODAL and POMPEIANO (1957) in size as well as dendritic characteristics.

B. SCHEIBEL: Structural substrates for integrative patterns in the brain stem reticular core. In: The reticular formation of the brain, ed. H. H. , p. 31-55. Boston: Little Brown Co. 1958. - - Patterns of organization in specific and nonspecific thalamic fields. In: The tahlamus, ed. D. P. PURPURA and M. D. 13--46. New York: Columbia University Press 1966. SHERRINGTON, C. : On outlying nerve cells in the mammalian spinal cord. Phil. Trans. B 181, 33--48 (1890). SOSA, J. , and W. ANDREW: Heterotopic neurons of the sensory type in the intramedullary portion of the motor roots.

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