Aponeurosis

(ap-on-u-ro’ -sis’) [a~6, from; vei’pov, a tendon]. A fibrous, membranous expansion of a tendon giving attachment to muscles or serving to enclose and bind down muscles. Important are the infra spinous, enclosing the infra spinous muscle; that of the deltoid muscle, of the external oblique or abdominal, of the forearm, of the leg, of the transversal is, of the head, etc., etc. A. of Occipito-frontal is Muscle, the aponeurosis that separates the two slips of the occipitofrontalis muscle. A. of Soft Palate, a thin but firm fibrous layer, attached above to the hard palate, and becoming thinner toward the free margin of the velum. A., Subscapular, athin membrane attached to the entire circumference of the subscapular fo a, and affording attachment by its inner surface to some of the fibers of the subscapular is muscle. A., Supra spinous, a thick and dense membranous layer that completes the o eo-fibrous case in which the supra spin at us muscle is contained, affording attachment by its inner surface to some of the fibers of the muscle. A., Vertebral, a thin aponeurotic lamina extending along the whole length of the back part of the thoracic region, serving to bind down the erector spinje, and separating it from those muscles that connect the spine to the upper extremity. 73