title: Attempt to produce animals devoid of mast cells.
mesh_terms: D000818:Animals; D001202:Ascitic Fluid / Q000166:cytology; D002452:Cell Count; D003239:Connective Tissue Cells; D008198:Lymph Nodes / Q000166:cytology; D008297:Male; D008407:Mast Cells / Q000187:drug effects* / Q000528:radiation effects; D011113:Polymyxins / Q000494:pharmacology*; D011830:Radiation Effects; D051381:Rats; D011919:Rats, Inbred Strains; D013934:Thymectomy; D013950:Thymus Gland / Q000502:physiology; D013997:Time Factors
chemical_list: D011113:Polymyxins