Abstract Introduction: The large increase in the number of transnasal endoscopic skull base surgeries is a consequence of greater knowledge of the anatomic region. the development of specific materials and instruments. and especially the use of the nasoseptal flap as a barrier between the sinus tract (contaminated cavity) and the subarachnoid space (sterile area). reducing the high ri... https://smokeysmountainfurnitureoutlets.shop/product-category/table-lamp-youth/