The sphenoidal sinus in its relation to the sella turcica.
D006652:Histological Techniques; D006801:Humans; D012658:Sella Turcica / Q000033:anatomy & histology*; D013101:Sphenoid Sinus / Q000033:anatomy & histology*
SELLA TURCICA/anatomy and histology; SPHENOID SINUS/anatomy and histology