r. lying between the scapulae, ischiorectal r

The r. between the ischium and rectum, jugal r. The r. over the zygoma, lumbar r. The r. posterior to a vertical line through the middle point of Poupart's ligament, and extending vertically as far as the lumbar vertebrae, mammary r. The r. nearly square, bounded above by a line pa ing through the lower border of the third rib at its junction with the sternal cartilage, below by a line pa ing along the upper border of the xiphoid cartilage, externally by a vertical line to the spine of the pubes, and internally by the edge of the sternum. middle cervical r. The space bounded by the lower jaw, the anterior borders of the sternocleidomastoidei, and the sternum, mylohyoid r.