Opiate receptors in rat pituitary are confined to the neural lobe and are exclusively kappa.

@article{Herkenham1986OpiateRI,
  title={Opiate receptors in rat pituitary are confined to the neural lobe and are exclusively kappa.},
  author={Miles Herkenham and Kenner C. Rice and Arthur E. Jacobson and Richard B. Rothman},
  journal={Brain research},
  year={1986},
  volume={382 2},
  pages={365-71}
}
The distribution and density of opiate receptor subtypes in rat pituitary were examined by quantitative autoradiography of tritiated ligand-binding to slide-mounted sections under conditions optimized to label mu, delta, or kappa opiate receptors. Mu and delta receptor-binding was virtually undetectable in the pituitary. Kappa receptor-binding was confined to the neural lobe where it was densest in the external rim. Autoradiographic silver grains in emulsion-coated, Nissl-stained sections were… CONTINUE READING