What are the two parts of spinal cord?
The spinal cord is divided into four different regions: the cervical, thoracic, lumbar and sacral regions (Figure 3.1).
What are the parts of the spinal cord?
The spinal cord is divided into five sections: the cervical, thoracic, lumbar, sacral, and coccygeal regions.
Which 2 parts of the spinal cord are thicker?
The spinal cord has a varying width, ranging from 0.5 inch thick in the cervical and lumbar regions to 0.25 inch thick in the thoracic area.
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 correct order for the parts of the spinal cord?
The spinal cord and vertebrae is broken down into four regions: cervical, thoracic, lumbar, and sacral.
Why is the spinal cord enlarged in two places?
Two regions of the spinal cord are enlarged to accommodate the greater number of nerve cells and connections needed to process information related to the upper and lower limbs (see Figure 1.10B).
Which spinal nerves affect which parts of the body?
The nerves of the cervical spine go to the upper chest and arms. The nerves in your thoracic spine go to your chest and abdomen. The nerves of the lumbar spine then reach to your legs, bowel, and bladder. These nerves coordinate and control all the body’s organs and parts, and let you control your muscles.
What is the function of GREY matter in the spinal cord?
The grey matter includes regions of the brain involved in muscle control, and sensory perception such as seeing and hearing, memory, emotions, speech, decision making, and self-control. The grey matter in the spinal cord is split into three grey columns: The anterior grey column contains motor neurons.