Acetylcholine induced endothelial-dependent vasodilation increases as artery diameter decreases in the rabbit ear
Isolated resistance vessels in the rabbit ear preconstricted with histamine were relaxed by acetylcholine by a proportionately greater amount than in the central ear artery. The relaxation was antagonized by atropine and also by endothelium removal. Our studies represent the first evidence that endothelium-dependent dilation can occur in resistance vessels.
Owen, Mary P. and Bevan, J. A., "Acetylcholine induced endothelial-dependent vasodilation increases as artery diameter decreases in the rabbit ear" (1985). PCOM Scholarly Papers. 1056.
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