Evidence for a Neuromuscular Mechanism Involved in the Contractility of the Ovarian Follicular Wall: Fluorescence and Electron Microscopy and Effects of Tyramine on Follicle Strips

Abstract
The adrenergic innervation in the protruding part of the bovine Graafian follicle (about 10-20 mm in diameter) was studied by a combination of fluorescence histochemistry (formaldehyde technique) and electron microscopy. The mechanical response of strips from the follicle wall was tested in vitro using tyramine, which is an indirect sympathomimetic agent acting by releasing endogenous neural norepinephrine. The following results were obtained:

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