Konishi, Masakazu and Akutagawa, Eugene (1985) Neuronal growth, atrophy and death in a sexually dimorphic song nucleus in the zebra finch brain. Nature, 315 (6015). pp. 145-147. ISSN 0028-0836. https://resolver.caltech.edu/CaltechAUTHORS:20151130-154706525
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Abstract
The song control nuclei of the zebra finch brain contain more neurones of larger diameter in the male than in the female. This sexual dimorphism is thought to result from differential growth of neurones in the two sexes. Using neurohistological techniques and radioactive tracers, we have studied the development of several forebrain nuclei involved in the control of song and find that the dimorphism arises from neuronal atrophy and death in the female brain as well as from an increase in cell-body size and afferent terminals from other forebrain nuclei in the male. Although the timing of these events varies from nucleus to nucleus, the sequence is essentially similar in all of them except area X. Here we describe the events in one of these nuclei, the robust nucleus of archistriatum (RA), as an example.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1985 Nature Publishing Group. Received 26 November 1984; accepted 11 February 1985. We thank Drs C. E. Carr and P. Patterson for reading the manuscript and Chris Yo for assistance. This work was supported in part by a grant from the Whitehall Foundation. | |||||||||
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| Issue or Number: | 6015 | |||||||||
| Record Number: | CaltechAUTHORS:20151130-154706525 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20151130-154706525 | |||||||||
| Official Citation: | Neuronal growth, atrophy and death in a sexually dimorphic song nucleus in the zebra finch brain 145-147 Masakazu Konishi & Eugene Akutagawa doi:10.1038/315145a0 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 62467 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 01 Dec 2015 16:16 | |||||||||
| Last Modified: | 03 Oct 2019 09:19 |
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