Question: What are the 5 segments of the spinal cord?

How many main segments of the spinal cord are there?

The spine is divided into 33 segments, 24 of which are mobile. Working from the top downwards, the cervical spine is the portion of the spine within the neck, and consists of 7 vertebrae (C1 to C7).

How many segments are in the spine?

There are 31 segments, defined by 31 pairs of nerves exiting the cord. These nerves are divided into 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal nerve (Figure 3.2).

What happens if your spinal cord hurts?

Emergency signs and symptoms of a spinal cord injury after an accident include: Extreme back pain or pressure in your neck, head or back. Weakness, incoordination or paralysis in any part of your body. Numbness, tingling or loss of sensation in your hands, fingers, feet or toes.

What is the difference between white and GREY matter in the spinal cord?

The grey matter contains the cell bodies, dendrites and the axon terminals, where all synapses are. The white matter is made up of axons, which connect different parts of grey matter to each other.

What absorbs shock in the spine?

The intervertebral discs are soft structures which act as shock absorbers between each of the vertebrae (bones) in the spine. A single disc sits between each vertebra.

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