Abstract
Thin (actin), thick (myosin) and interm ediate filaments are described in vertebrate smooth muscle. The thick filaments are present in relaxed, contracted, stretched and unstretched vertebrate smooth muscle and bear lateral projections suggestive of cross-bridges. The relatively regular thick filament lattice of the rabbit portal-anterior mesenteric vein can be aggregated by hypertonic solutions and excessive stretch. The interm ediate filaments are morphologically distinct and clearly not breakdown products of thick filaments.
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Schedule a callMore From: Philosophical Transactions of the Royal Society of London. B, Biological Sciences
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