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Evidence for a retinohypothalamic pathway in the golden hamster

Evidence for a retinohypothalamic pathway in the golden hamster Evidence for a direct neural projection from the retina to the hypothalamus in the golden hamster (Mesocricetus auratus) is presented. In 25 blinded animals degeneration was followed in sections prepared according to the Wiitanen ('69) silver impregnation method. Degenerative axons were found in the optic tract, chiasm, and nerve, terminating in the lateral geniculate body and superior colliculus. A large collateral bundle of degenerating axons was observed curving medially and dorsally to enter the hypothalamus at the level of the mamillary body. This bundle turned diffusely rostrally and terminated on neurons in the ventromedial nucleus of the hypothalamus. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology Wiley

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References (28)

Publisher
Wiley
Copyright
"Copyright © 1974 Wiley Subscription Services, Inc., A Wiley Company"
ISSN
1932-8486
eISSN
1932-8494
DOI
10.1002/ar.1091790105
pmid
4206903
Publisher site
See Article on Publisher Site

Abstract

Evidence for a direct neural projection from the retina to the hypothalamus in the golden hamster (Mesocricetus auratus) is presented. In 25 blinded animals degeneration was followed in sections prepared according to the Wiitanen ('69) silver impregnation method. Degenerative axons were found in the optic tract, chiasm, and nerve, terminating in the lateral geniculate body and superior colliculus. A large collateral bundle of degenerating axons was observed curving medially and dorsally to enter the hypothalamus at the level of the mamillary body. This bundle turned diffusely rostrally and terminated on neurons in the ventromedial nucleus of the hypothalamus.

Journal

The Anatomical Record : Advances in Integrative Anatomy and Evolutionary BiologyWiley

Published: May 1, 1974

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