Facial vein communicates with the cavernous sinus through______________?
Correct answer: D. Superior ophtalmic vein and pterygoid venous plexus
- A. Retromolar vein and internal jugular vein
- B. External jugular vein and internal jugular vein
- C. Internal jugular vein and retromandibular vein
- D. Superior ophtalmic vein and pterygoid venous plexus
Explanation
The facial vein communicates with the cavernous sinus through the superior ophthalmic vein and also through the deep facial vein into the pterygoid venous plexus. These valveless connections explain the danger of infection spreading from the face to the cavernous sinus.
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