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  4. Stratified squammous epithelium is found in :

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Q. Stratified squammous epithelium is found in :

Jharkhand CECEJharkhand CECE 2006

Solution:

Most of the stratified epithelia in adult body are of straitified sequamous epithelium type. The cuboidal or columnar cells of germinative layer rest upon a basement membrane and continuously divide mitotically to produce new layers of cells. Cells of the surface layer are flattened (=squamous). Cells of intermediate layers are mostly polyhedral, larger and bound together by desmosomes. The squamous stratified epithelium is of two type i.e., keratinizing and non-keratinizing. Skin epidermis is of keratinizing type whereas the cornea of eyes, inner surface/of eye lids, lining of buccal cavity, lower past Of pharynx, oesophagous, vagina and vastibuleof nasal cavity are of non-keratinizing type.