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प्रश्न
What is the following and where do you find them in animal body?
Ciliated epithelium
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उत्तर
Ciliated epithelium – If the columnar or cuboidal cells bear cilia on their free surface they are called ciliated epithelium. Their function is to move particles or mucus in a specific direction over the epithelium. They are mainly present in the inner surface of hollow organs like bronchioles and Fallopian tube
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संबंधित प्रश्न
Describe various types of epithelial tissues with the help of labelled diagrams
Name any one body part where ciliated epithelium is found in humans. What is its function?
Answer the following question.
What is cell junction?
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.
Some epithelia are pseudostratified. What does this mean?
Name any four important functions of epithelial tissue and provide at least one example of a tissue that exemplifies each function.
What is an epithelium? Enumerate the characteristic features of different epithelia.
A long tree has several branches. The tissue that helps in the side ways conduction of water in the branches is
Describe the structure and function of different types of epithelial tissues. Draw diagram of each type of epithelial tissue.
Give reasons for
Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.
An epithelial layer does not allow the regulation of materials between the body and the external environment.
Sieve cells have no companion cells.
Assertion: Materials are exchanged between epithelial and connective tissues by diffusion.
Reason: Blood vessels are absent in epithelial tissue.
Write one point of difference between
Simple and compound epithelial tissue.
Name the different cell junctions found in tissues.
The body of sponges does not possess tissue level of organisation though it is made of thousands of cells. Comment.
How does a gap junction facilitate intercellular communication?
Write the appropriate type of tissues in column B according to the functions mentioned in column A.
| Column A | Column B |
| a. Secretion and absorption | i. ______ |
| b. Protective covering | ii. ______ |
| c. Linking and supporting framework | iii. ______ |
