#NASOPHARYNX #SURGICAL #ANATOMY [ad_1] NASOPHARYNX IS A 3 DIMENTIONAL SPACE IN THE CENTRE OF THE HEAD 10 CMS FROM ALL DIRECTIONS .SUPERIORLY BY THE BODY OF SPHENOID SLOPING DOWNWARDS AND POSTERIORLY HS THE ATLAS VERTEBRA ,LATERALLY BY EUSTACHAIN TUBE WHICH IS DEFICIENT INFEROLATERALLY .AND BELOW IT IS THE SUPERIOR CONSTRICTOR MUSCLE .ANTERIORLYTHE FLOOR IS FREE