| Danger triangle of the face (Nasolabial traingle) | |
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| Anatomical terminology |
The danger triangle of the face consists of the area from the corners of the mouth to the bridge of the nose, including the nose and maxilla.[1][2] (pp345–346) Due to the special nature of the blood supply to the human nose and surrounding area, it is possible, albeit extremely unlikely, for retrograde infection from the nasal area to spread to the brain, causing cavernous sinus thrombosis, meningitis or brain abscess.
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