Vertebral column spinal nerves. The spinal nerves provide sympathetic nervous supply to the body, with nerves emerging forming the sympathetic trunk and the splanchnic nerves. The spinal canal follows the different curves of the column; it is large and triangular in those parts of the column which enjoy the greatest freedom of movement, such as the cervical and lumbar regions; and is small and rounded in the thoracic region, where motion is more limited. The spinal cord terminates in the conus medullaris and cauda equina. Spina bifida is a congenital disorder in which there is a defective closure of the vertebral arch.
Kira (given name) can also be understood as a variant. Therefore, it is also in use as a feminine form of the Greek diminutive form Cyril. In Russian Kira () is the feminine form of the masculine name Kir, meaning "mistress, ruler", but can translate to "leader of the people", "one the people look to" or "beloved". Kira could also have arrived into Russian from the Persian-Greek name Kyra. Kira can also be the diminutive of the old and rare masculine given name Avvakir. Kira is one of several Anglicized forms of the Irish name Ciara, which in Irish means "dark haired". There