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Histamine-containing nerve fibers innervate human cerebellum

Authors
Journal
Neuroscience Letters
0304-3940
Publisher
Elsevier
Publication Date
Volume
160
Issue
1
Identifiers
DOI: 10.1016/0304-3940(93)90915-8
Keywords
  • Hypothalamus
  • Cerebellum
  • Human Brain
  • Immunocytochemistry

Abstract

Abstract Histamine is found in nerve cell bodies of the tuberomammillary nucleus in mammalian brain. This nucleus is prominent in human brain. Samples of human cerebelli obtained from neurosurgical operations were examined for the presence of histamine-containing nerve fibers. In all samples, a moderately dense network of histamine-immunoreactive fibers was seen in the molecular layer. These fibers ran parallel to the Purkinje cell layer after traversing it perpendicularly. Numerous fibers were also seen in the granular cell layer. The results suggest that the human cerebellar cortex receives a direct input from histamine-synthesizing hypothalamic neurons, as no other histamine-containing neurons have been found in human brain.

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