aponeurosis UK /ˌap.ə.njʊˈɹəʊ.sɪs/US /ˌæp.ə.nʊˈɹoʊ.sɪs/ noun1 •A flattened pearly white fibrous membrane taking the place of a tendon that binds together and forms the terminations and attachments of muscles or connects them to other body parts like skin or bone. formsaponeuroses
