Ăp'o-neū-rō'sis, n.

n.; pl. Ăp'o-neū-rō'sēs. [Gr. ἀπονεύρωσις, from ἀπονευροῦν, to pass into a tendon, from ἀπό, from, and νευροῦν, to strain the sinews, νεῦρον, sinew, tendon, nerve.] (Anat.) A white, shining membrane, composed of interlacing fibers, sometimes continuous with the muscular fiber, and differing from a tendon only in having a flat form.

The aponeuroses serve several purposes; sometimes attaching the muscles to the bones, sometimes surrounding the muscle and preventing its displacement, sometimes intersecting a muscle and being continuous with its fibers on both sides. Dunglison.