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pubmed:abstractText |
Recent evidence suggests that nitric oxide (NO) is a major messenger molecule regulating smooth muscle contractility. A role for NO in aqueous humor dynamics, and thus regulation of intraocular pressure, has been postulated. Recently, we described contractile properties of isolated bovine trabecular meshwork and ciliary muscle strips. To assess whether vasodilators contribute to the regulation of trabecular meshwork and ciliary muscle contractility, we measured the effect of various substances known to induce vasodilation by increasing intracellular cGMP production.
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