Lumbar laminotomy is the removal of part of the lamina in the lower back (lumbar spine). Sacral laminotomy is the removal of part of the lamina in the back between your pelvic, or hipbones (sacral spine). Thoracic laminotomy is the removal of part of the lamina in the middle part of the back (thoracic spine). Other procedures that may be performed. Your doctor may perform other procedures in addition to laminotomy. These include: Discectomy is the surgical removal of part or all of a spinal disc.
The Huang- He River Valley Civilization's main economic activity was trade. This is the geography of the Huang-He River Valley Civilization. The river and the civlization are in northern china. This is a battle axe used by the soldiers of the Shang Dynasty. This is a bell used in the Shang Dynasty.
Its total basin area is about 742,443 square kilometers (286,659 sq mi). The Yellow River is called the cradle of Chinese civilization, because its basin was the birthplace of ancient Chinese civilization, and it was the most prosperous region in early Chinese history.ccording to the China Exploration and Research Society, the source of the Yellow River is at 34Â° 29' 31.1 N, 96Â° 20' 24.6 E in the Bayan Har Mountains near the eastern edge of the Yushu Tibetan Autonomous Prefecture.