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प्रश्न
Name the different cell junctions found in tissues.
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उत्तर
Different cell junctions that are found in tissues are:-
- Tight junctions: Here the plasma membrane of adjacent epithelial cells are held close together.
- Gap junctions: They are formed for the exchange of chemicals between adjacent cells.
- Adhering junctions: As the name suggests they stick together the neighbouring cells.
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संबंधित प्रश्न
What is the following and where do you find them in animal body?
Ciliated epithelium
Distinguish between Simple epithelium and compound epithelium
Based on the following information, identify the three types of epithelial tissue in the figures given below :
| a |  |
b |  |
c |  |
(1) Cuboidal epithelium: It consists of a single layer of cuboidal cells.
(2) Columnar epithelium: It is composed of tall, cylindrical cells with oval nuclei usually placed at the base of the cells.
(3) Ciliated epithelium: It consists of cells being hair-like cilia on their free surface.
Fill in the blank
Epithelial tissue is made of cells without any ...................... spaces.
Write the name of the following tissue.
Tissue lining the inner surface of the mouth.
Name the kind of cells found in the following place:
Inner lining of the wind pipe
How many types of epithelial tissues have you studied? Write their functions.
Name the tissues found:
at the inner lining of the trachea.
Answer the following question.
What is cell junction?
Epithelial cells with cilia are found in ______ of our body.
The main function of the cuboidal epithelium is
The ciliated epithelium lines the______.
Write true (T) or false (F)
The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.
An epithelial layer does not allow the regulation of materials between the body and the external environment.
Mention the type of epithelium seen in the alveoli of lungs.
Explain simple epithelium and its types.
Epithelium founds in the lining of stomach and intestine is
How does a gap junction facilitate intercellular communication?
