Sexual dimorphisms in the neural vocal control system in song birds: ontogeny and phylogeny.

@article{Arnold1986SexualDI,
  title={Sexual dimorphisms in the neural vocal control system in song birds: ontogeny and phylogeny.},
  author={Arthur P. Arnold and Sarah W Bottjer and Eliot A Brenowitz and Ernest J. Nordeen and Kathy W. Nordeen},
  journal={Brain, behavior and evolution},
  year={1986},
  volume={28 1-3},
  pages={22-31}
}
Sex differences in the neural song system in oscine song birds develop in response to estradiol secreted during early periods of development. Estradiol produces sex differences in cell number and in the proportion of cells which are steroid targets. The pattern of development of these sex differences varies in different brain regions, suggesting that the mechanisms of estradiol regulation of neural development may also vary. The magnitude of sexual dimorphism in the neural song system varies… CONTINUE READING

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