Spinal Cord Section Anatomy

At every segment there is a pair of right and left spinal nerves. It is covered by the three membranes of the cns ie the dura mater arachnoid and the innermost pia mater.

Spinal Cord Neupsy Key

A component of the central nervous system it sends and receives information between the brain and the rest of the body.

Spinal cord section anatomy. The spinal cord like the brain consists of two kinds of nervous tissue called gray and white matter. The gray matter which is primarily composed of nerve cell bodies has two regions on each side or butterfly wing within the cervical spines region of the spinal cord. When viewed as a cross section from above the spinal cord consists of a butterfly shaped or thick h shaped region of gray matter that sits in the middle of the white matter.

It contains the somas dendrites and proximal parts of the axons of neurons. The cervical thoracic lumbar and sacral nerves. Spinal cord segments edit.

Internal anatomy of the spinal cord. Two prominent grooves or sulci run along its length. It shows anterior lateral and posterior horns.

Dorsal horn intermediate column lateral horn and ventral horn column. The spinal cord is divided into four major parts. Spinal cord section showing the white and the gray matter in four spinal cord levels.

Gross anatomy the spinal cord is part of the central nervous system cns which extends caudally and is protected by the bony structures of the vertebral column. White matter surrounds the gray matter and is made of axons. From each of these 6 to 8 nerve rootlets branch out in a definite and regular pattern.

Cross sectional anatomy of spinal cord. The gray matter mainly contains the cell bodies of neurons and glia and is divided into four main columns. The posterior median sulcus is the groove in the dorsal side and the anterior median fissure is the groove in the ventral side.

The spinal cord is elliptical in cross section being compressed dorsolaterally. An interactive quiz covering spinal cord cross sectional anatomy through multiple choice questions and featuring the iconic gbs illustrations. Spinal cord anatomy the spinal cord is a bundle of nerve fibers that extend from the brain stem down the spinal column to the lower back.

Gray matter has a relatively dull color because it contains little myelin. Collectively the entire spinal cord is divided into 31 segments. Spinal cord cross section the gray matter is the butterfly shaped central part of the spinal cord and is comprised of neuronal cell bodies.

Anatomy of the spinal cord.

Spinal Cord Anatomy Structure Tracts And Function Kenhub

Spinal Cord Anatomy Structure Tracts And Function Kenhub

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