g unicellular epithelium

anatomy background cavities cell cellular columnar compound connective cuboidal dermis epithelial epithelium esophagous glabrous glands head health healthcare healthy histology human illustration keratinized layer layers light malpighian medical medicine membrane micrograph microscope microscopic microscopical microscopy microvilli muscle nervous non olfactory pseudostratified science skin squamous stratified system tissue transcellular transitional transport