title: Contractile and relaxing proteins of smooth muscle and platelets: their presence in the endothelium.
mesh_terms: D000205:Actomyosin / Q000032:analysis*; D001808:Blood Vessels / Q000032:analysis*; D004727:Endothelium / Q000032:analysis / Q000166:cytology; D006801:Humans; D007124:Immunoenzyme Techniques; D009130:Muscle, Smooth / Q000032:analysis*; D014335:Tropomyosin / Q000032:analysis*
chemical_list: D014335:Tropomyosin; D000205:Actomyosin