perityphlitis actinomycotica

per·i·typh·li·tis ac·tin·o·my·cot·i·ca

(per'ĭ-tif-lī-tis ak'ti-nō-mī-kot'ĭ-kă),
abdominal infection, predominantly around the cecum, with Actinomycetes, usually Actinomyces israelii.