Posterior view of the mediastinum, thoracic vertebral column and thoracic cage are removed on right. On left, ribs and intercostal musculature are removed to angles of ribs. Parietal pleura partially removed on right to reveal visceral pleura covering r

Posterior view of upper thorax and neck region showing the splenius capitis muscle and its bony attachments on both sides of the thoracic and cervical vertebrae.

Posterior view of upper thorax and neck region showing the splenius cervicis muscle and its bony attachments on the left side of the thoracic and cervical vertebrae.

posterior view of the abdominal region illustrating the internal (left) and external (right) abdominal oblique muscles and their bony attachments.

Posterior view of the abdominal region illustrating the internal abdominal oblique muscle and its bony attachments. Both sides of muscle are shown.

Posterior view of upper thorax and neck region showing the splenius capitis (right) and splenius cervicis (left) muscles and their bony attachments on both sides of the thoracic and cervical vertebrae.

Posterior mediastinum viewed from the right: parietal pleura is intact on left side, and partially removed on right. A portion of esophagus, between bifurcation of trachea and diaphragm, is also removed.

Posterior view of the lungs and trachea in situ in the rib cage.