The spine is made up of a column of bones called vertebrae (spinal column). The spinal cord, a long, fragile structure contained in the spinal canal which runs through the centre of the spine, is protected by the vertebrae.
What is spine and spinal cord?
Spine Structure and Function. Key parts of your spine include vertebrae (bones), disks, nerves and the spinal cord. The spine supports your body and helps you walk, twist and move. The disks that cushion vertebrae may compress with age or injury, leading to a herniated disk.
Is the spinal cord inside the backbone?
The spinal cord lies inside the spinal column, which is made up of 33 bones called vertebrae. Five vertebrae are fused together to form the sacrum (part of the pelvis), and four small vertebrae are fused together to form the coccyx (tailbone).
What are the symptoms of spinal problems?
Symptoms of a Spinal Cord Disorder
- Weakness or paralysis of limbs.
- Loss of sensation.
- Changes in reflexes.
- Loss of urinary or bowel control.
- Uncontrolled muscle spasms.
- Back pain.
What is spinal cord damage?
A spinal cord injury (SCI) is damage to the tight bundle of cells and nerves that sends and receives signals from the brain to and from the rest of the body. SCI can be caused by direct injury to the spinal cord itself or from damage to the tissue and bones (vertebrae) that surround the spinal cord.
What are the two main functions of spinal cord Class 11?
The spinal cord’s major functions include:
- Electrochemical communication. Electrical currents travel up and down the spinal cord and across nerves, sending signals which allow different segments of the body to communicate with the brain.
- Walking. …
What are the main parts of the spinal cord?
The spinal cord is divided into four different regions: the cervical, thoracic, lumbar and sacral regions (Figure 3.1).
What part of the spine controls what part 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 part of the spine controls the heart?
Thoracic (mid back) – the main function of the thoracic spine is to hold the rib cage and protect the heart and lungs. The twelve thoracic vertebrae are numbered T1 to T12.
What causes spine pain?
Upper and middle back pain may be caused by: Overuse, muscle strain, or injury to the muscles, ligaments, and discs that support your spine. Poor posture. Pressure on the spinal nerves from certain problems, such as a herniated disc.