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
Baruch (given name) Baruch (given name) Baruch () is a masculine name among Jews used from Biblical times to the present, which is sometimes used as surname. It is also found, though more rarely, among Christians—particularly among Protestants who use Old Testament names. Except for its use as a name, this is also related to "berakhah" or "bracha" (Hebrew: ברכה; plural ברכות, "berakhot"), which is a Jewish blessing. See also: "Baraka" and "Barakah". The root B-R-K meaning "blessing" is also present in other Semitic languages. The most common Arabic form is the passive form Mubarak, but the form Barack is also used. Benedictus