Skip to Content


Pronunciation: ap′ō-nū-rō′sis, -sēz

Definition: A fibrous sheet or flat, expanded tendon, giving attachment to muscular fibers and serving as the means of proximal or distal attachment (origin or insertion) of a flat muscle; it sometimes also performs the functions of a fascia for other muscles.

[G. the end of the muscle where it becomes tendon, fr. apo, from, + neuron, sinew]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.