Phys. Pl. -es. [L., a. Gr. ἀπονεύρωσις, f. ἀπονευρό-ειν to change into a tendon, f. ἀπό off, away + νεῦρον sinew.] A white, shining, fibrous membrane, sometimes serving as the sheath of a muscle, sometimes forming the connection between a muscle and a tendon.
1676. in Phil. Trans., XI. 769. The lower [muscle] … arises from the vertebræ of the loyns, and ends in the same aponeurosis.
1804. Abernethy, Surg. Observ., 93. I removed the cyst from off the aponeurosis of the external oblique muscle.
1873. Mivart, Elem. Anat., viii. 281. Muscles are … separated from each other by membranes termed aponeuroses.
