Marchi, Vittorio

Marchi,

Vittorio, Italian physician, 1851-1908.

Marchi fixative - used to demonstrate degenerating myelin.

Marchi reaction - failure of the myelin sheath of a nerve to blacken when submitted to the action of osmic acid.

Marchi stain - a method for demonstrating fat and degenerating nerve fibers.

Marchi tract - a bundle of thick, heavily myelinated fibers originating in the deep layers of the superior colliculus. Synonym(s): tectospinal tract

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