Upper (in the pons Varolii) decussation of the motor (pyramidal) pathways and their relation to the nuclei of the pons Varolii and to the nuclei of the cranial nerves in some rodents
Pavel Y. Korolkov
Neurology Bulletin ›› 1910, Vol. XVII ›› Issue (1) : 19 -28.
Upper (in the pons Varolii) decussation of the motor (pyramidal) pathways and their relation to the nuclei of the pons Varolii and to the nuclei of the cranial nerves in some rodents
Working on the central nervous system and using the Golgi method for staining it, as early as 1896 I had the opportunity to obtain microscopic preparations on which it was easy to verify that the fibers of the motor pyramidal bundles, passing through the pons Varolii, on their way separate collateral fibers from themselves to the nuclei of the pons Varolii.
Since that time, working according to the same method, I have been able to obtain in some animals an isolated coloration of the pyramidal tracts and on such preparations to observe a partial decussation of the motor (pyramidal) tracts in the upper third of the Varolii pons, and in addition I was able to trace the collateral fibers of the motor tracts towards cranial nerve nuclei.
Korolkov P.Y.
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