Assertion: perineum | /r/HasProperty | confined within following boundaries
Facets:
Source sentences:
text: It is confined within the following boundaries: (1) anterolaterally, by the inferior margin of the pubic symphysis and the borders of the ischiopubic rami; (2) posterolaterally, by the coccyx and the sacrotuberous ligaments (covered by the gluteus maximus muscles); and (3) laterally, by the two ischial tuberosities.