Stratified squamous epithelium C016 / 0534
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Stratified squamous epithelium C016 / 0534
Stratified squamous epithelium. Light micrograph of a section through stratified squamous epithelium, showing the multiple layers, or strata, that function to resist abrasion of the surface. This is the epithelial pattern found within the epidermis of the skin, but in this image, the absence of a layer of keratin is typical of the oesophagus (gullet). Squamous cells on the surface are continuously lost by cell death and exfoliation, but are replaced by the proliferation of stem cells located at the base of the epithelium. New epithelial cells mature and slowly displace towards the surface. The connective tissue beneath the epithelium, the lamina propria, contains nerves and blood vessels. Magnification: x139, when printed 10 centimetres
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9238703
© MICROSCAPE/SCIENCE PHOTO LIBRARY
Cell Biology Connective Tissue Cytological Cytology Epithelial Esophagus Gullet Histological Histology Lamina Propria Layer Layers Lining Oesophagus Squamous Epithelium Stain Stained Strata Stratified Stratum Tissue Cells Light Micrograph Light Microscope Section Sectioned
EDITORS COMMENTS
This print showcases the intricate structure of stratified squamous epithelium, specifically in the esophagus. The image reveals multiple layers, or strata, that serve as a protective barrier against surface abrasion. Unlike the keratinized epithelial pattern found in the skin's epidermis, this particular section lacks a layer of keratin. The constantly shedding and replenishing nature of squamous cells is evident here. As cells on the surface undergo cell death and exfoliation, stem cells located at the base of the epithelium proliferate to replace them. These new cells gradually mature and migrate towards the surface. Beneath this resilient epithelial lining lies connective tissue known as lamina propria, which houses vital nerves and blood vessels. This underlying support system ensures proper functioning of this organ within our digestive system -the gullet or esophagus. With a magnification factor of x139 when printed at 10 centimeters, this light micrograph provides an up-close view into cellular biology and histology. It offers valuable insights into how our bodies are structured at a microscopic level. This stunning visual representation not only highlights biological intricacies but also serves as a reminder of our body's remarkable ability to adapt and protect itself from external forces through specialized tissues like stratified squamous epithelium.
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