Weather data for Mecca in january: Weather data for Mecca for january are derived from an average of the weather forecast since 2009 in Mecca. There is a margin of error and these forecasts are to be considered as general information only. The weather in Mecca can vary slightly from year to year, but this data should limit surprises.
Freebase(0.00 / 0 votes)Rate this definition: Spinal cord. The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the brain. The brain and spinal cord together make up the central nervous system.
The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column. The brain and spinal cord together make up the central nervous system (CNS).lso, the spinal cord has a varying width, ranging from 13 mm (1â2 in) thick in the cervical and lumbar regions to 6.4 mm (1â4 in) thick in the thoracic area. The enclosing bony vertebral column protects the relatively shorter spinal cord.