part of ends during starts during death pelvic girdle endochondral bone pubis The ventral and anterior of the three principal bones composing the pelvic girdle. The pubes fuse with the ilia at NF stage 53, and touch each other at NF stage 62. Full contact of the medial surfaces occurs at NF stage 63 when ossification also begins. Ossification continues through metamorphosis. XAO:0004498 eriksegerdell pubes 2013-04-10T19:18:02Z xenopus_anatomy NF stage 53