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Department
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Slide 07
Non-keratinized, stratified squamous epithelium.
Although the slide label does not indicate the source for this specimen, the layers of tissue resemble those of mammalian digestive tract and the epithelium is typical of human esophagus.
This epithelium is similar to that lining the inside of your cheek (i.e., the buccal mucosa). Such an epithelium provides a ready source of living cells, either for DNA samples or for tissue smears (e.g., slide 1). More on epithelial tissue.
This epithelium differs from the epidermis of skin primarily by being non-keratinized, also by lacking various specialized features of skin, such as sweat glands and hair follicles.
Week 3 -- Look for connective tissue beneath the epithelium, distinguish from smooth muscle.
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