Sacrum & Coccyx
Connects with the coccyx
L5
sacral hiatus
Large inferior opening of the sacrum where the vertebral canal terminate
Forms the posterior wall of __________
Pelvis
winglike ala articulates laterally with the hip bone, forming _________
a sacroiliae joint
Sacrum
bone formed from five vertebrae fused together near the base of the spinal column
sacral canal
continuation of the vertebral canal inside the sacrum
coccyx
formed from the fusion of three to five tiny, irregularly shaped vertebrae. It is the human "tailbone".
its posterior midline surface is roughened by __________
the median sacral crest
This is flanked laterally by ________
the posterior sacral foramina