He shows the sternum to consist, in the adult, of three parts and the sacrum of five or six.
"Fathers of Biology"
Charles McRae
The sympathetic system consists of a long cord, studded with ganglia, extending from the base of the neck to the sacrum.
"Common Diseases of Farm Animals"
R. A. Craig, D. V. M.
Those that are directly connected with disease of the acetabulum may remain localised to the lateral wall of the pelvis, or may spread backwards towards the hollow of the sacrum.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson