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Identification of the Right Ethmoidal Arteries

Surgical Correlation

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Identification of the right ethmoidal arteries. The lamina papyracea of the right orbit and the middle nasal conch have been remove to expose the anterior and posterior ethmoidal arteries. The posterior septal artery originates from the sphenopalatine artery and courses below the ostium of sphenoid sinus to the nasal septum. (Image courtesy of JC Fernandez-Miranda)

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