The frontal sinus drainage pathway and related structures.
D005004:Ethmoid Bone / Q000033:anatomy & histology; D005624:Frontal Bone / Q000033:anatomy & histology; D005626:Frontal Sinus / Q000033:anatomy & histology*; D006801:Humans; D007091:Image Processing, Computer-Assisted; D021621:Imaging, Three-Dimensional; D010159:Palate / Q000033:anatomy & histology; D012016:Reference Values; D014057:Tomography, X-Ray Computed; D014420:Turbinates / Q000033:anatomy & histology*