Stratified columnar epithelium
| Stratified columnar epithelium | |
|---|---|
 | |
| Details | |
| Shape | Many layers of flat cells |
| Identifiers | |
| TH | H2.00.02.0.02032 |
| FMA | 45564 |
| Anatomical terms of microanatomy | |
 |
| This article is part of a series on |
| Epithelia |
|---|
| Squamous epithelial cell |
| Columnar epithelial cell |
| Cuboidal epithelial cell |
| Specialised epithelia |
|
| Other |
Stratified columnar epithelium is a rare type of epithelial tissue composed of column-shaped cells arranged in multiple layers. It is found in the conjunctiva, pharynx, anus, and male urethra. It also occurs in embryo.
Location
Stratified columnar epithelia are found in a variety of locations, including:
- parts of the conjunctiva of the eye[1][2]
- parts of the pharynx[3]
- anus[3][4]
- male urethra and vas deferens[3][5]
- excretory duct of mammary gland and major salivary glands[6]
Embryology
Stratified columnar epithelium is initially present in parts of the gastrointestinal tract in utero, before being replaced with other types of epithelium. For example, by 8 weeks, it covers the lining of the stomach.[7][8] By 17 weeks, it is replaced by simple columnar epithelium.[7] This is also found in the fetal esophagus.[8]
Function
The cells function in secretion and protection.[9]
See also
References
- ^ Soni, Vandana; Pandey, Vikas; Tiwari, Rahul; Asati, Saket; Tekade, Rakesh K. (2019-01-01), Tekade, Rakesh K. (ed.), "Chapter 13 - Design and Evaluation of Ophthalmic Delivery Formulations", Basic Fundamentals of Drug Delivery, Advances in Pharmaceutical Product Development and Research, Academic Press, pp. 473–538, doi:10.1016/b978-0-12-817909-3.00013-3, ISBN 978-0-12-817909-3, retrieved 2020-11-29
- ^ Forrester, John V.; Dick, Andrew D.; McMenamin, Paul G.; Roberts, Fiona; Pearlman, Eric (2016-01-01), Forrester, John V.; Dick, Andrew D.; McMenamin, Paul G.; Roberts, Fiona (eds.), "Chapter 1 - Anatomy of the eye and orbit", The Eye (Fourth Edition), W.B. Saunders, pp. 1–102.e2, doi:10.1016/b978-0-7020-5554-6.00001-0, ISBN 978-0-7020-5554-6, retrieved 2020-11-29
- ^ a b c Cadwell, K.; Marchiando, A. M. (2016-01-01), "Function of Epithelial Barriers", in Bradshaw, Ralph A.; Stahl, Philip D. (eds.), Encyclopedia of Cell Biology, Waltham: Academic Press, pp. 687–694, doi:10.1016/b978-0-12-394447-4.30104-3, ISBN 978-0-12-394796-3, retrieved 2020-11-29
- ^ Gordon, Philip H. (2005-01-01), Fazio, Victor W.; Church, James M.; Delaney, Conor P. (eds.), "Anatomy and Physiology of the Anorectum", Current Therapy in Colon and Rectal Surgery (Second Edition), Philadelphia: Mosby, pp. 1–9, doi:10.1016/b978-1-55664-480-1.50006-x, ISBN 978-1-55664-480-1, retrieved 2020-11-29
- ^ Johnson, L.; Welsh, T. H.; Curley, K. O.; Johnston, C. E. (2010-01-01), McQueen, Charlene A. (ed.), "11.02 - Anatomy and Physiology of the Male Reproductive System and Potential Targets of Toxicants", Comprehensive Toxicology (Second Edition), Oxford: Elsevier, pp. 5–59, doi:10.1016/b978-0-08-046884-6.01102-7, ISBN 978-0-08-046884-6, retrieved 2020-11-29
- ^ Lutz, Slomianka. "Blue Histology - Epithelia and Glands". lecannabiculteur.free.fr. Retrieved 2022-08-09.
- ^ a b Chandrasoma, Parakrama T.; DeMeester, Tom R. (2006-01-01), Chandrasoma, Parakrama T.; DeMeester, Tom R. (eds.), "CHAPTER 3 - Fetal Development of the Esophagus and Stomach", GERD, Burlington: Academic Press, pp. 41–63, doi:10.1016/b978-012369416-4/50003-0, ISBN 978-0-12-369416-4, retrieved 2020-11-29
- ^ a b Chandrasoma, Parakrama T. (2018), "Molecular Evolution of Esophageal Epithelial Metaplasia", GERD, Elsevier, pp. 457–478, doi:10.1016/b978-0-12-809855-4.00015-4, ISBN 978-0-12-809855-4, retrieved 2020-11-29
- ^ Tortora, Gerard J. (2017). Tortora's Principles of anatomy & physiology, global edition. Bryan Derrickson, Gerard J. Tortora. Hoboken, NJ. ISBN 978-1-119-40006-6. OCLC 1003252960.
{{cite book}}: CS1 maint: location missing publisher (link)
External links
- Anatomy Atlases – Microscopic Anatomy, plate 02.23 – "Stratified Columnar Epithelium"
 | This anatomy article is a stub. You can help Wikipedia by expanding it. |