title: [Principles for classifying epithelia].
mesh_terms: D000818:Animals; D002477:Cells / Q000145:classification; D002816:Chordata, Nonvertebrate / Q000166:cytology; D004475:Ectoderm; D004707:Endoderm; D004759:Enterochromaffin Cells / Q000145:classification; D004847:Epithelial Cells; D004947:Esophagus / Q000166:cytology; D006801:Humans; D010614:Pharynx / Q000166:cytology; D010802:Phylogeny; D012469:Salivary Glands / Q000166:cytology; D014566:Urogenital System / Q000166:cytology
vernacular_title: O printsipakh klassifikatsii épiteliev.