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XB-ART-32591
Neuroendocrinology 1976 Jan 01;222:127-33. doi: 10.1159/000122619.
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Early changes in the ultrastructure of the pars intermedia of the pituitary of Xenopus laevis after change of background color.

Volcanes BD , Weatherhead B .


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Stereological analysis of the secretory cells of the pars intermedia of Xenopus laevis over a period of 3 days following the transfer of animals from a white to a black background has revealed that significant alterations in the ultrastructural appearance of these cells can be detected 8 h after the transfer. In particular, changes in the secretory granules and the rough endoplasmic reticulum were found to correlate well with previous reports concerning the melanocyte-stimulating hormone (MSH) content and the capacity for protein synthesis of the pars intermedia.

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