Obtain a prepared slide of the human scalp, and study it carefully under the mic

Question

Obtain a prepared slide of the human scalp, and study it
carefully under the microscope. Compare your tissue slide to
the photomicrograph (Figure 10.6a), and identify as many
as possible of the diagrammed structures (Figure 10.1).
How is this stratified squamous epithelium different from
that observed in the esophagus?
_________________________________________________
_________________________________________________
How do these differences relate to the functions of these two
similar epithelia?
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_________________________________________________
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2. Obtain a prepared slide of hairless skin of the palm or sole
(Figure 10.6b). Compare the slide to the previous photomicrograph
(Figure 10.6a). In what ways does the thick skin of
the palm or sole differ from the thin skin of the scalp?

Explanation / Answer

1) The stratified squamous epithelium present in scalp is of keratinised type while the stratified squamous epithelium in oesophagus is of non-keratinised type.

Keratinised stratified squamous epithelium epithelium performs protective function. Non keratinised stratified squamous epithelium present in oesophagus performs the function of lubrication during swallowing.

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