CBSE Class 9 Answered
list out 5 differences between epithelial tissues.
Asked by | 24 Jul, 2008, 10:34: PM
Expert Answer
| Suamous | Cuboidal | Columnar | Ciliated | ||
| Cells | Irregular, thin and flat | Cube-shaped | Tall, pillar like | Columnar with cilia | |
| Location | Cells lining blood vessels and lung alveoli, lining of mouth and oeophagus, skin | Lining of kidney tubules, ducts of salivary glands | Lining of intestine, stomach and gall bladder | Lining of trachea, bronchi, sperm ducts and oviducts. | |
| Function | Protection, Forming a selectively permeable surface | Providing mechanical support. | Absorption and secretion | Movement of cilia pushes the mucus forward through the ducts. | |
| Position of nucleus in cells | Central | Central | Towards the base | Towards the base | |
Answered by | 25 Jul, 2008, 11:58: AM
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