Efferent projections of dorsal root afferents in the spinal cord of the lamprey Lampetra fluviatilis


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Abstract

Arborization of dorsal root afferents was studied in the lamprey spinal cord by the method of horseradish peroxidase transport. Direct evidence was obtained for the presence of efferent fibers in dorsal roots, representing collaterals that depart from ascending and descending intraspinal branches of sensory axons and travel towards the periphery through the adjacent roots.

About the authors

N. P. Vesselkin

Sechenov Institute of Evolutionary Physiology and Biochemistry

Email: adanina@rambler.ru
Russian Federation, St. Petersburg

V. O. Adanina

Sechenov Institute of Evolutionary Physiology and Biochemistry

Author for correspondence.
Email: adanina@rambler.ru
Russian Federation, St. Petersburg

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