Vertebral column and sacral curvatures) form during fetal development. The secondary curves develop after birth. The cervical curvature forms as a result of lifting the head and the lumbar curvature forms as a result of walking. The vertebral column surrounds the spinal cord which travels within the spinal canal, formed from a central hole within each vertebra. The spinal cord is part of the central nervous system that supplies nerves and receives information from the peripheral nervous system within the body. The spinal cord consists of grey and white matter and a central cavity, the central canal. Adjacent to each vertebra emerge
Adelaide (given name) Adelaide (given name) Adelaide is the English form of a Germanic given name, from the Old High German "Adalheidis", meaning "noble natured". The modern German form is Adelheid, famously the first name of Adelaide of Saxe-Meiningen, queen consort to William IV of the United Kingdom, for whom many places throughout the former British Empire were named. The French form is "Adélaïde" or "Adélaide" and Czech is Adéla or Adléta. The name "Addie" is a diminutive of Adelaide and "Heidi" is a nickname for "Adelheid" which became internationally popular on its own as a result of Johanna Spyri's novel "Heidi" (1880).