Question
Which of the following are the contents of the triangle which is represented by a “red arrow” in the picture below?
A. Suboccipital nerve.
B. IIIrd part of vertebral artery.
C. Sub-occipital venous plexus.
D. All of the above.
Show Answer
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Correct Answer » D
Explanation
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Ans:D. All of the above.
The triangle marked by a red arrow in the picture above represents the suboccipital triangle.
Contents of the suboccipital
triangle
- Third part of vertebral artery.
- Dorsal ramus of nerve C1- suboccipital nerve.
- suboccipital venous plexus.
SUBOCCIPITAL TRIANGLE
- Lies more deeply in upper part of neck just below the occipital bone.
- Bounded by:
- Superomedially: Rectus capititis posterior major & minor
- Superolaterally: Obliques capitis superior
- Inferolaterally: Obliques capitis inferior
- Floor is formed by posterior atlantooccipital membrane & posterior arch of at;as.
