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प्रश्न
How many types of epithelial tissues have you studied? Write their functions.
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उत्तर
There are two main types of epithelial tissues. These are:
(a) Simple and
(b) Compound
Simple epithelial tissue is further divided into six sub-groups which are:
(i) Columnar epithelium
(ii) Ciliated epithelium
(iii) Cuboidal epithelium
(iv) Squamous epithelium
(v) Glandular epithelium
(vi) Sensory epithelium
Compound epithelial tissue is of two types:
(i) Stratified epithelium
(ii) Transitional epithelium
Functions of epithelial tissue are:
(i) It forms a protective layer over the body and protects the underlying cells from drying up, injury, germs and harmful chemicals.
(ii) It absorbs water and other nutrients inside the body.
(iii) Some of these cells secrete ear wax, mucus, milk and digestive juices.
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संबंधित प्रश्न
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 the kind of cells found in the following place:
Inner lining of the wind pipe
Name any one body part where ciliated epithelium is found in humans. What is its function?
Name the tissues found:
in the testes and ovaries.
Some epithelia are pseudostratified. What does this mean?
Write true (T) or false (F)
Epithelial cells have a lot of intercellular spaces.
Write true (T) or false (F)
Epithelial layer is permeable layer.
Describe the structure and function of different types of epithelial tissues. Draw diagram of each type of epithelial tissue.
Write the salient features of the compound epithelium.
