Stratified columnar epithelium
| Stratified columnar epithelium | |
|---|---|
 | |
| Details | |
| Shape | several layers; apical cells are columnar shaped |
| 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
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 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
- S2CID 86481491, retrieved 2020-11-29
- ISBN 978-0-7020-5554-6, retrieved 2020-11-29
- ^ ISBN 978-0-12-394796-3, retrieved 2020-11-29
- ISBN 978-1-55664-480-1, retrieved 2020-11-29
- ISBN 978-0-08-046884-6, retrieved 2020-11-29
- ^ Lutz, Slomianka. "Blue Histology - Epithelia and Glands". lecannabiculteur.free.fr. Retrieved 2022-08-09.
- ^ ISBN 978-0-12-369416-4, retrieved 2020-11-29
- ^ ISBN 978-0-12-809855-4, retrieved 2020-11-29
- OCLC 1003252960.)
{{cite book}}: CS1 maint: location missing publisher (link
External links
- Anatomy Atlases – Microscopic Anatomy, plate 02.23 – "Stratified Columnar Epithelium"
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