Definition: the rough bony projection at the junction of the lower end of the body of the ischium and its ramus; this is a weight-bearing point in the sitting position; provides attachment for the sacrotuberous ligament and is the site of origin of the hamstring muscles.
Synonym(s): tuber ischiadicumTA, tuber of ischium
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.