L Mastrolia

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The chromaffin cells of the adrenal homologue of Salmo gairdneri R. have been studied by light and electron microscopy. The chromaffin tissue was localised in the head kidney adjacent to the wall of the proximal part of the cardinal veins and their main branches. Specific histochemical techniques failed to demonstrate different types of chromaffin cells.(More)
The presence of acetylcholinesterase (AChE) activity in the adrenal chromaffin cells of Necturus maculosus and Ambystoma maculatum (Amphibia, Urodela) has been demonstrated by cytochemical method at the electron microscope level. The enzymatic activity is localized in RER and perinuclear cisternae, on the plasma membrane and within the chromaffin vesicles,(More)
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