Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
anatomy biology cell cells cellular cellularity cilia ciliated columnar core cuboidal cytokines disease epidermis epithelial epithelium health healthcare human illustration immunity increased infection keratinocyte layer medical medicine microorganisms microvilli mucosa mucosal nasal organ pseudostratified respiratory science section simple skin skincare squamous stratified structure submucosa surface tissue tissues vagina