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- Title
Sex differences in dendritic morphology of a song control nucleus in the canary: A quantitative Golgi study.
- Authors
Devoogd, Timothy J.; Nottebohm, Fernando
- Abstract
Singing in the canary is a learned male behavior controlled predominantly by nuclei in the left hemisphere (Nottebohm and Nottebohm, '76; Nottebohm et al., '76; Nottebohm, '77). These nuclei are several times larger in males than in females (Nottebohm and Arnold, '76). One of the telencephalic song control nuclei, robustus archistriatalis (RA), was examined in Golgi-stained tissue sections from the left and right hemispheres of male and female canaries. At least four cell classes were present in each sex. One of these cell classes was further studied with a variety of quantitative techniques. No hemispheric differences were seen in either sex. However, dendrites from male cells tend to branch and end further from the cell body than do dendrites from female cells. This differences is seen most clearly when serial sections are used to reconstruct the entire dendritic tree.
- Publication
Journal of Comparative Neurology, 1981, Vol 196, Issue 2, p309
- ISSN
0021-9967
- Publication type
Article
- DOI
10.1002/cne.901960209