system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All the following are contents of sub-occipital triangle, except -
assistant
The correct answer is  Contents of suboccipital triangle are vertebral artery (3rd part), suboccipital nerve (dorsal ramus of C1) and suboccipital venous plexus. Occipital artery lies in occipital triangle.