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
Maria (given name) Maria (given name) Maria is a feminine given name. It is given in many languages influenced by Latin Christianity. It has its origin as the feminine form of the Roman name Marius (see Maria (gens)), and, after Christianity religion has spread across the Roman empire, it became the Latinised form of the name of Miriam - Mary, mother of Jesus. "Maria" (Μαρία) is a form of the name used in the New Testament, standing alongside "Mariam" Μαριάμ. It reflects the Syro-Aramaic name "Maryam", which is in turn derived from the Biblical Hebrew name "Miriam". As a result of their similarity