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  2. Gastrointestinal wall - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_wall

    Terms used to describe the shape of the cells in it - columnar if column-shaped, and squamous if flat. In the oesophagus , pharynx and external anal canal the epithelium is stratified, squamous and non-keratinising, for protective purposes.

  3. Oral mucosa - Wikipedia

    en.wikipedia.org/wiki/Oral_mucosa

    Lining mucosa, nonkeratinized stratified squamous epithelium, found almost everywhere else in the oral cavity, including the: Alveolar mucosa , the lining between the buccal and labial mucosae. It is a brighter red, smooth, and shiny with many blood vessels, and is not connected to underlying tissue by rete pegs .

  4. Stratified squamous epithelium - Wikipedia

    en.wikipedia.org/wiki/Stratified_squamous_epithelium

    Examples of non-keratinized stratified squamous epithelium include some parts of the lining of oral cavity, pharynx, conjunctiva of eye, upper one-third esophagus, rectum, vulva, and vagina. Even non-keratinized surfaces, consisting as they do of keratinocytes, have a minor superficial keratinized layer of varying thickness, depending on the ...

  5. Epithelium - Wikipedia

    en.wikipedia.org/wiki/Epithelium

    The outermost layer of human skin is composed of dead stratified squamous, keratinized epithelial cells. [14] Tissues that line the inside of the mouth, the esophagus, the vagina, and part of the rectum are composed of nonkeratinized stratified squamous epithelium. Other surfaces that separate body cavities from the outside environment are ...

  6. Histology of the vocal cords - Wikipedia

    en.wikipedia.org/wiki/Histology_of_the_vocal_cords

    The topmost layer comprises stratified squamous epithelium which is bordered by ciliated pseudostratified epithelium. The inner-lining surface of this squamous epithelium is covered by a layer of mucus (acting as a mucociliary clearance), which is composed of two layers: a mucinous layer and serous layer. Both mucus layers provide viscous and ...

  7. Barrett's esophagus - Wikipedia

    en.wikipedia.org/wiki/Barrett's_esophagus

    Barrett's esophagus is a condition in which there is an abnormal (metaplastic) change in the mucosal cells lining the lower portion of the esophagus, from stratified squamous epithelium to simple columnar epithelium with interspersed goblet cells that are normally present only in the small intestine and large intestine.

  8. Epidermis - Wikipedia

    en.wikipedia.org/wiki/Epidermis

    Thickness does not vary between the sexes but becomes thinner with age. [5] The human epidermis is an example of epithelium, particularly a stratified squamous epithelium. The word epidermis is derived through Latin from Ancient Greek epidermis, itself from Ancient Greek epi 'over, upon' and from Ancient Greek derma 'skin'. Something related to ...

  9. Pharynx - Wikipedia

    en.wikipedia.org/wiki/Pharynx

    The oropharynx is lined by non-keratinized squamous stratified epithelium. The HACEK organisms ( H aemophilus , A ctinobacillus actinomycetemcomitans , C ardiobacterium hominis , E ikenella corrodens , K ingella ) are part of the normal oropharyngeal flora, which grow slowly, prefer a carbon dioxide-enriched atmosphere, and share an enhanced ...