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
Ingrid (given name) but picked up again in the late 1970s, peaking above 1.5% in the 1990s. The name became popular outside of Scandinavia from the 1940s due to the fame of Ingrid Bergman. Ingrid (given name) Ingrid is a Scandinavian, German, and Dutch feminine given name. It continues the Old Norse name "Ingiríðr", which was a short form of "Ingfríðr", composed of the theonym "Ing" and the element "fríðr" "beloved; beautiful" common in Germanic feminine given names. The name Ingrid (more rarely in the variant "Ingerid" or "Ingfrid"; short forms "Inga, Inger, Ingri") remains widely given in all of Scandinavia, with the