Suboccipital triangle
Suboccipital Triangle
The Suboccipital Triangle (pronunciation: /sʌbɒksɪpɪtəl traɪˈæŋɡəl/) is a region of the human body found at the base of the skull.
Etymology
The term "Suboccipital" is derived from the Latin words "sub" meaning under and "occipital" referring to the occipital bone, which is the bone that forms the back part of the skull. The term "triangle" is derived from the Latin word "triangulum", which means a three-cornered figure.
Anatomy
The Suboccipital Triangle is located in the neck, beneath the occipital bone. It is formed by three muscles: the Rectus Capitis Posterior Major, the Obliquus Capitis Superior, and the Obliquus Capitis Inferior. The triangle is clinically significant as it contains the vertebral artery and the suboccipital nerve.
Related Terms
- Occipital Bone: The bone that forms the back part of the skull and encloses the back of the brain.
- Rectus Capitis Posterior Major: A muscle located in the neck, one of the muscles forming the Suboccipital Triangle.
- Obliquus Capitis Superior: A muscle located in the neck, one of the muscles forming the Suboccipital Triangle.
- Obliquus Capitis Inferior: A muscle located in the neck, one of the muscles forming the Suboccipital Triangle.
- Vertebral Artery: An artery that supplies blood to the posterior part of the brain.
- Suboccipital Nerve: A nerve that provides sensory and motor innervation to the muscles and skin at the back of the head and neck.
External links
- Medical encyclopedia article on Suboccipital triangle
- Wikipedia's article - Suboccipital triangle
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