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  Indian J Med Microbiol
 

Figure 2. An endoscopic picture showing both the sphenoid sinus cavities. CP, carotid protuberance; CR, clival recess; IS, intersphenoid septum; mOCR, medial opticocarotid recess; OCR, lateral opticocarotid recess; OP, optic protuberance; PS, planum sphenoidale; SF, sellar floor.

Figure 2. An endoscopic picture showing both the sphenoid sinus cavities. CP, carotid protuberance; CR, clival recess; IS, intersphenoid septum; mOCR, medial opticocarotid recess; OCR, lateral opticocarotid recess; OP, optic protuberance; PS, planum sphenoidale; SF, sellar floor.