Cervical spinal cord
Cervical Spinal Cord
The Cervical Spinal Cord (pronunciation: /ˈsɜːrvɪkəl ˈspaɪnəl kɔːrd/) is a crucial part of the Central Nervous System that extends from the Medulla Oblongata in the brainstem to the region of the spine between the first and second thoracic vertebrae.
Etymology
The term "Cervical" is derived from the Latin word "cervix" which means "neck", while "Spinal Cord" is derived from the Latin "spina" meaning "thorn" or "backbone", and "cord" from the Latin "cordis" meaning "heart".
Anatomy
The Cervical Spinal Cord is located in the neck region and is responsible for sending messages from the brain to all parts of the body. It is divided into eight segments, labeled C1 to C8, each of which controls a specific set of functions and body parts. For example, the C1 and C2 segments control head and neck movements, while the C5 to C8 segments control arm and hand movements.
Related Terms
- Central Nervous System: The complex of nerve tissues that controls the activities of the body. It comprises the brain and spinal cord.
- Medulla Oblongata: The continuation of the spinal cord within the skull, forming the lowest part of the brainstem and containing control centers for the heart and lungs.
- Thoracic Vertebrae: The twelve vertebral bodies in the middle of the back forming the region of the thorax.
See Also
External links
- Medical encyclopedia article on Cervical spinal cord
- Wikipedia's article - Cervical spinal cord
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