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Oral Anatomy & Histology

Blood Supply of Face: Dangerous Area & Cavernous Sinus Thrombosis

NEET MDSINI-CET MDSINBDE

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VesselRoute to Cavernous Sinus
Facial veinFacial → angular vein at medial canthus → superior ophthalmic vein → cavernous sinus
Deep facial veinFacial → deep facial → pterygoid plexus → emissary veins → cavernous sinus
Dangerous area: Nose, upper lip, lower eyelid. Kiesselbach = anterior epistaxis (Little's area). Woodruff = posterior epistaxis posterolateral inferior meatus.
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