C6
C6
C6 (/siː sɪks/), in the context of medicine, refers to the sixth cervical vertebra of the spine. It is part of the vertebral column and is located in the neck region, just below the C5 vertebra and above the C7 vertebra.
Etymology
The term "C6" is derived from the Latin word "cervix" which means neck, and the number 6 signifies its position in the cervical spine. The cervical spine consists of seven vertebrae, labeled C1 through C7.
Anatomy
The C6 vertebra, like other cervical vertebrae, consists of a vertebral body, a vertebral arch, and seven processes. The vertebral body of C6 is larger than the bodies of the vertebrae above it. The vertebral arch forms a protective ring around the spinal cord. The processes include two transverse processes, two superior articular processes, two inferior articular processes, and one spinous process.
Function
The C6 vertebra plays a crucial role in supporting the neck and allowing for its flexibility and movement. It also protects the spinal cord and the nerves that branch off from it. The nerves that exit the spinal cord at the level of the C6 vertebra provide sensation and motor control to different parts of the body, including the neck, shoulders, arms, and hands.
Related Terms
- Cervical Spine: The section of the spine that includes the C6 vertebra.
- Vertebral Column: The entire series of vertebrae that make up the spine.
- Spinal Cord: The bundle of nerves that runs through the vertebral column.
- Nerves: The fibers that transmit impulses of sensation to the brain or spinal cord, and from these to the muscles and organs.
External links
- Medical encyclopedia article on C6
- Wikipedia's article - C6
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