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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
What is the following and where do you find them in animal body?
Ciliated epithelium
The following statement is wrong. Rewrite it correctly by changing either one or two words.
Simple squamous epithelium is present in respiratory tract.
The following statement is wrong. Rewrite it correctly by changing either one or two words.
Glandular epithelium is present in kidneys.
Name one place in living organisms where the following tissue is located:
Ciliated epithelium
Name the tissues found
at the outer layer of skin.
Epithelial cells with cilia are found in ______ of our body.
Lining of small intestine is made up of ______.
State whether true or false. If false, correct the statement.
Epithelial tissue is protective tissue in animal body.
The main function of the cuboidal epithelium is
Intestine absorb the digested food materials. What type of epithelial cells are responsible for that?
Which is not a function of epidermis?
The dead element present in the phloem is
______ epithelium is seen in sweat glands.
Glandular epithelium gives a stratified appearance.
Explain simple epithelium and its types.
Identify the following relationship
Cuboidal: Epithelial
Cardiac: ______
Granulocytes: ______
Osteocytes: ______
Stratified epithelial cells have limited role in secretion. Justify their role in our skin.
How does a gap junction facilitate intercellular communication?
Classify and describe epithelial tissue on the basis of structural modifications of cells.
