Biomedical subjects
Publications and source records attributed to J Basterra.
Fifteen human larynges were considered for a topographic quantitative study of the subepithelial glands. Comments are made on the method and variations in the distribution of the glands.
The distribution of neurons in the dorsal motor nucleus of the vagus nerve (DMNV) that innervate the supraglottic and glottic areas of the larynx of the guinea pig have been studied using the horseradish peroxidase (HRP) technique. Following soaking of the superior laryngeal nerve in a solution of HRP, labeled neurons were always located ipsilaterally, at levels between the estria acustica and the caudal end of the inferior olivary nucleus. Characteristically, the neurons were small or medium in size.
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Formaldehyde-induced fluorescence and electron microscopy have been used to show the sympathetic innervation of the vocal cord in the guinea pig. The topographical distribution and morphology of the sympathetic fibres and endings are commented upon.
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H.R.P. technique has been used, and shown usefull in the retrograde tracing of the motor neurons from both main branches of the hypoglossal nerve. Traced motor neurons were observed at spinal levels and a portion of the brain stem slightly below the pyramidal decussation to a plane where the inferior olivary nucleus begins to disappear.
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