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.
Part of the central nervous system, the spinal cord is an ovoid column of nerve tissue 40 to 50 cm long that extends from the medulla to the second lumbar vertebra; it is within the spinal (vertebral) canal, protected by bone, and directly enclosed in the meninges.