title: SLOW REACTING SUBSTANCE.
mesh_terms: D000818:Animals; D018926:Anti-Allergic Agents; D001285:Atropine; D012898:Autacoids; D006168:Guinea Pigs; D006634:Histamine H1 Antagonists; D006636:Histamine Release; D007082:Ileum; D008407:Mast Cells; D009119:Muscle Contraction; D010600:Pharmacology; D010827:Physiology; D012106:Research; D013618:Tachyphylaxis
chemical_list: D018926:Anti-Allergic Agents; D012898:Autacoids; D006634:Histamine H1 Antagonists; D001285:Atropine
keywords: ANTIHISTAMINICS; ATROPINE; EXPERIMENTAL LAB STUDY; GUINEA PIGS; HISTAMINE LIBERATION; ILEUM; MAST CELLS; MUSCLE CONTRACTION; PHARMACOLOGY; PHYSIOLOGY; TACHYPHYLAXIS