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
Aaron (given name) Oxford "American" English Dictionary, along with /eɪrɪn/ ('ay-rin' as in "A to Z") which is heard in the American deep south. However the difference in these pronunciations in American English is often small or nonexistent due to its longer "a" than British English, as can be heard in American media such as episodes of Lost, recorded interviews with Aaron Copland, or Hollywood's 1999 Shakespeare movie, Titus. Aaron (given name) Aaron is a hellenized Hebrew masculine given name. The 'h' phoneme in the original Hebrew pronunciation "Aharon" (אהרן) is dropped in the Greek, Ααρών, from which the English form, Aaron, is