Cervical enlargement

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Cervical Enlargement

The Cervical Enlargement (pronounced: /ˈsɜːrvɪkəl ɪnˈlɑːrdʒmənt/) is a region of the Spinal Cord that has a greater diameter than the rest of the spinal cord. It is responsible for supplying nerves to the upper limb.

Etymology

The term "Cervical Enlargement" is derived from the Latin word "cervix" which means neck, and the English word "enlargement" which means an increase in size. This term is used because the enlargement is located in the cervical region of the spinal cord.

Anatomy

The Cervical Enlargement extends from the third cervical (C3) to the second thoracic (T2) vertebral levels. It corresponds to the attachments of the brachial plexus, a network of nerve fibers that supply the upper limb. The nerves that originate from this region control the movements and sensations of the upper limbs.

Related Terms

  • Spinal Cord: The main pathway for information connecting the brain and peripheral nervous system.
  • Upper Limb: The upper limb or upper extremity is the region in a vertebrate animal extending from the deltoid region up to and including the hand.
  • Brachial Plexus: The brachial plexus is a network of nerves, running from the spine, formed by the anterior rami of the lower four cervical nerves and first thoracic nerve (C5, C6, C7, C8, and T1).
  • C3: The third cervical (C3) spinal nerve.
  • T2: The second thoracic (T2) spinal nerve.

External links

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