Sacrum fracture

6: Sacrum and Coccyx sacrum The sacrum is a wedge-shaped piece of bone directly below the lumbar spine It is made of five fused vertebrae numbered s1 through s5 These five vertebrae are sacrum pelvisacrum, เชิงกรานร่วมกระเบนเหน็บ · sacrum · Sacrum · Comes from the

sacrum The sacrum is the triangular bone just below the lumbar vertebrae The sacrum has five segments fused together into one large bone