title: Anatomy of the ethmoid: CT, endoscopic, and macroscopic.
mesh_terms: D004724:Endoscopy; D005004:Ethmoid Bone / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D005005:Ethmoid Sinus / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D005626:Frontal Sinus / Q000033:anatomy & histology; D006801:Humans; D008443:Maxillary Sinus / Q000033:anatomy & histology; D013101:Sphenoid Sinus / Q000033:anatomy & histology; D014057:Tomography, X-Ray Computed