Best answer: Why is there a cervical enlargement in the spinal cord?

Why is there a cervical enlargement?

The main reason or cause of the cervical enlargement is the increased neural input and output to the upper limbs. It results from the increased volume of motor cells in the ventral horns of the grey matter.

Where are the cervical and lumbosacral enlargements?

Two enlargements of the spinal cord can be visualized: The cervical enlargement, which extends between C3 to T1; and the lumbar enlargements which extends between L1 to S2 (Figure 3.1).

What is the role of spinal cord enlargement?

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).

What nerves are in the cervical enlargement?

The cervical enlargement of the spinal cord is the source of the spinal nerves that contribute to the brachial plexus and supply the upper limbs.

Which is the widest part of the spinal cord?

Continued From Above… It is a long tube about 18 inches (45 cm) in length and around half an inch (1 cm) in diameter at its widest point. At its inferior end, the spinal cord tapers to a point known as the conus medullaris and gives rise to many large nerve fibers known as the cauda equina.

IT IS AMAZING:  Best answer: Can osteoarthritis go away?

What causes lumbar enlargement?

The lumbar enlargement of the spinal cord corresponds to the mild increase in cross sectional area of the cord from the T11 level to the conus medullaris. It is enlarged due to the presence of the spinal nerve anterior rami which contribute to the lumbar and sacral plexuses.

What parts of the body are affected by the cervical spine?

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.

How can I permanently relieve cervical pain?

Home treatment options

  1. Take an OTC pain reliever, such as acetaminophen (Tylenol) or an NSAID, which includes ibuprofen (Advil) and naproxen sodium (Aleve).
  2. Use a heating pad or a cold pack on your neck to provide pain relief for sore muscles.
  3. Exercise regularly to help you recover faster.