Neuroanatomical and neuropharmacological study of opioid pathways in the mesencephalic tectum: effect of mu(1)- and kappa-opioid receptor blockade on escape behavior induced by electrical stimulation of the inferior colliculus.

@article{Osaki2003NeuroanatomicalAN,
  title={Neuroanatomical and neuropharmacological study of opioid pathways in the mesencephalic tectum: effect of mu(1)- and kappa-opioid receptor blockade on escape behavior induced by electrical stimulation of the inferior colliculus.},
  author={Mario Yukio Osaki and Lissandra Castellan-Baldan and Fabr{\'i}cio Calvo and Andressa Daiane Carvalho and Tatiana Tocchini Felippotti and Ricardo Lourenço de Oliveira and Walter Adriano Ubiali and Tatiana Paschoalin-Maurin and Daoud Hibraim Elias-Filho and V{\'i}tor Motta and Luciana Alvarenga da Silva and Norberto Cysne Coimbra},
  journal={Brain research},
  year={2003},
  volume={992 2},
  pages={179-92}
}
Deep layers of the superior colliculus (DLSC), the dorsal and ventral periaqueductal gray matter (PAG), and inferior colliculus (IC) are midbrain structures involved in the generation of defensive behavior. beta-Endorphin and Leu-enkephalin are some neurotransmitters that may modulate such behavior in mammals. Light microscopy immunocytochemistry with streptavidin method was used for the localization of the putative cells of defensive behavior with antibodies for endogenous opioids in rat… CONTINUE READING
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