title: Distribution of mucous blands in the foetal eustachian tube.
mesh_terms: D001344:Autopsy; D004432:Ear, Middle / Q000196:embryology; D005064:Eustachian Tube / Q000196:embryology*; D005260:Female; D005333:Fetus / Q000033:anatomy & histology; D007839:Functional Laterality; D005865:Gestational Age; D006801:Humans; D008297:Male; D009092:Mucous Membrane / Q000196:embryology*; D009297:Nasal Mucosa / Q000196:embryology; D010614:Pharynx / Q000196:embryology; D013194:Staining and Labeling