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प्रश्न
What is an epithelium? Enumerate the characteristic features of different epithelia.
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उत्तर
Epithelial tissue is sheet of cells that covers the body surface or lines the body cavity.
- Simple epithelium is single layered.
- Squamous epithelium is made of flattened cells with irregular boundaries.
- Columnar epithelium is made of column like cells with round to oval nuclei at the base.
- Ciliated epithelium has ciilia at the free end.
- Compound epithelium is made of multi-layered cells.
संबंधित प्रश्न
Describe various types of epithelial tissues with the help of labelled diagrams
The following statement is wrong. Rewrite it correctly by changing either one or two words.
Simple squamous epithelium is present in respiratory tract.
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Glandular epithelium is present in kidneys.
Name any one body part where ciliated epithelium is found in humans. What is its function?
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Epithelial tissue
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Epithelial layer does not allow regulation of materials between body and external environment.
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An epithelial layer does not allow the regulation of materials between the body and the external environment.
Glandular epithelium gives a stratified appearance.
Mention the type of epithelium seen in the alveoli of lungs.
Which type of tissue CORRECTLY matches with its location?
Which one of the following types of cell is involved in making of the inner walls of blood vessels?
Classify and describe epithelial tissue on the basis of structural modifications of cells.
