. . "EC 2.3.1.Acetysalicylic acidThe active substance in aspirin, a medication developed by Bayer.PREVIOUS AND NEXT TERMS--------------------------------------Axillary dissectionSurgery in which the axilla (the armpit) is opened -- to dissect means to cut apart -- in order to identify, examine, and sometimes remove structures such as lymph nodes or other tissue for diagnosis or treatment.Axil" . . .