The extra-sellar post-hypophysectomy remnant.
D000368:Aged; D000886:Anthropometry; D003452:Cryosurgery; D006801:Humans; D007016:Hypophysectomy; D008722:Methods; D008961:Models, Structural; D010614:Pharynx / Q000033:anatomy & histology*; D010902:Pituitary Gland / Q000033:anatomy & histology* / Q000502:physiology; D013100:Sphenoid Bone / Q000601:surgery; D013101:Sphenoid Sinus / Q000601:surgery