What is the bundle of nerves that run down the spine called?

What is the bundle of nerves that run down the spine called?

Cauda equina: The spinal cord ends about three fourths of the way down the spine, but a bundle of nerves extends beyond the cord. This bundle is called the cauda equina because it resembles a horse’s tail. The cauda equina carries nerve impulses, both motor and sensory, to and from the legs.

What are the spinal cord nerves called?

The lumbar, sacral, and coccygeal nerves combine to form the lumbosacral plexus. The spinal cord can be divided into the lateral, posterior, and medial cord, each segment of which gives rise to specific nerves and serves specific areas of the body.

What is the end point of the spinal cord?

The spinal cord ends at the intervertebral disc between the first and second lumbar vertebrae as a tapered structure called the conus medullaris, consisting of sacral spinal cord segments.

What is a Dermatome?

A dermatome is an area of skin in which sensory nerves derive from a single spinal nerve root (see the following image). Dermatomes of the head, face, and neck. Sensory information from a specific dermatome is transmitted by the sensory nerve fibers to the spinal nerve of a specific segment of the spinal cord.

What is a dermatome chart?

Dermatomes are areas of skin, each of which is connected to a single spinal nerve. Together, these areas create a surface map of the body. Dysfunction or damage to a spinal nerve can trigger symptoms in the corresponding dermatome.

What is a dermatome pattern?

Dermatomes are used to represent the patterns of sensory nerves that cover various parts of the body, include, head and neck, upper extremities (arms, hands, torso etc.), and lower extremities (hip, leg, foot, buttocks, feet, etc.)

What is the root of a spinal nerve?

A nerve root in the spine is the part of the nerve that branches off from the spinal cord and enters into the intervertebral foramen (bony opening between adjacent vertebrae).