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7.4.1.2. Spinal cord

Spinal cord

The spinal cord is a cord of nervous tissue that runs through the interior of the spinal column, also covered, like the encephalon, by the meningesThe central area of ​​the spinal cord is occupied by gray matter and is shaped like butterfly wings. The white matter is located on the outside. Inside the gray matter is the ependyma, a central canal that runs through it and contains cerebrospinal fluid.

The motor nerves leave the spinal cord and the sensory nerves arrive from most of the body, except for the head. It can generate responses without the need for encephalon intervention, reflex movements.

The functions of the spinal cord are:


         

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Biology and Geology teaching materials for Compulsory Secondary Education (ESO) and Baccalaureate students.