Biomedical subjects
Publications and source records attributed to A B Machado.
The norepinephrine content of the heart was reduced to undetectable values in rats inoculated with Trypanosoma cruzi. This fact indicates a massive involvement of the cardiac postganglionic sympathetic fibres in acute Chagas disease.
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In the pineal body of the immature rat the circadian rhythm of serotonin persists when sympathetic innervation is abolished by the administration of nerve growth factor antiserum. This rhythm is regulated by a mechanism that does not involve the sympathetic innervation and is, therefore, fundamentally different from that in the adult.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.