Regional differences in the response of isolated human vessels to vasoactive substances.

Abstract

1. Crural, mesenteric and pulmonary vessels obtained during surgery were studied. Isometric tension was recorded and contractions were induced by potassium 127 mM (K), noradrenaline 18 microM (NA), prostaglandin F2 alpha 2.9 microM (F2 alpha), ergotamine 3.8 microM (Erg) or digoxin 1.0 microM (Dig). 2. Spontaneous myogenic activity was only observed in… (More)

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