What is the primary blood supply to the frontal sinuses?
Understand the Problem
The question is asking which blood vessels primarily supply the frontal sinuses from the given options. It is focused on anatomical knowledge of blood supply to specific sinus areas.
Answer
The anterior ethmoidal artery and supraorbital artery supply the frontal sinuses.
The primary blood supply to the frontal sinuses is provided by the anterior ethmoidal artery and the supraorbital artery, which are branches of the ophthalmic artery.
Answer for screen readers
The primary blood supply to the frontal sinuses is provided by the anterior ethmoidal artery and the supraorbital artery, which are branches of the ophthalmic artery.
More Information
The frontal sinus receives its supply from branches of the ophthalmic artery, ensuring proper vascularization for function and immune defense.
Sources
- Frontal Sinus - an overview | ScienceDirect Topics - sciencedirect.com
- Frontal sinus | Radiology Reference Article | Radiopaedia.org - radiopaedia.org
- Intranasal and Sinus Anatomy - EyeWiki - eyewiki.org
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