. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. terior surface is concave, and has four Ibnnel-shaped holes^^ ^ on each side transmitting the anterior branches of the sacral nerves. Its posterior surjme is rough and convex, and contains the representations of spinous and oblique processes. A fis- sure usually exists in place of the fourth and fifth spinous pro- cesses. There are four fora- mina on each side, smaller than those in front, for the transmis- sion of t
. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. terior surface is concave, and has four Ibnnel-shaped holes^^ ^ on each side transmitting the anterior branches of the sacral nerves. Its posterior surjme is rough and convex, and contains the representations of spinous and oblique processes. A fis- sure usually exists in place of the fourth and fifth spinous pro- cesses. There are four fora- mina on each side, smaller than those in front, for the transmis- sion of the posterioi' branches of the nerves. The base has a large oval articular mark' upon which rests the last lumbar ver- tebra, two grooves completing the intervertebral foramina ; and has also two oblique processes.^ The apex^ is blunt and has a transverse articular surface^ for the coccyx. The sides are rough, broader above than below, having a large articular mark for the innominata ; behind this surface arise muscles of the back, and below it the sacro- iliac ligaments. The sacral canal runs through the length of the sacrum. It is triangular and larger above than below f is continuous with the spinal canal and contains the cauda equina ; with it com- municate the foramina transmitting the nerves. COCCYX. ' coccyx is flat and triangular, having its base upwards. It consists of three or four bones united usually in the same curve as that of the sacrum. The pieces are frequently united with each other and (he sacrum. The first piece is the largest, and has two articular marks; behind, it has two cornva ;'^^^ on its side are grooves*, 5 which with the sacrum complete the canal for the fifth sacral nerve. The last 2nece^ is a mere tu- The sides of the coccyx give origin to muscles and PELVIS. The pelvis consists of ihe sacrum^ coccyx^ and the two innominata or hip Please note that these images are extracted from scanned page images that may have been digitally e
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