perimysial

Century Dictionary and Cyclopedia

1. Investing a muscle, as a sheath of connective tissue or a fascia; of or pertaining to perimysium.

Wiktionary

1. adj. Surrounding a muscle or muscles. Often used to characterize patterns of inflammation found in myopathic disease. Endomysial and perimysial patterns of inflammation are in contrast to perivascular inflammation which surrounds blood vessels.

GNU Webster's 1913

1. adj. Surrounding a muscle or muscles.
2. adj. Of or pertaining to the perimysium.