Difference between squamous epithelium and columner epithelium
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Columnar epithelium
Squamous epithelium
Cells of columnar epithelial are pillar-like.
Cells are present as thin, delicate, flat lining.
They are present in the inner lining of the intestine and respiratory tract.
Present in the lining of the mouth, esophagus, and skin.
Their functions include secretion of mucus and absorption of digested food.
Their function is mainly protection like skin, diffusion of material etc. .
Columnar epithelial cells are often marked by the presence of cilia called ciliated columnar epithelium.
Cilia are absent in the cells of squamous epithelial tissue.
Squamous epithelium
Cells of columnar epithelial are pillar-like.
Cells are present as thin, delicate, flat lining.
They are present in the inner lining of the intestine and respiratory tract.
Present in the lining of the mouth, esophagus, and skin.
Their functions include secretion of mucus and absorption of digested food.
Their function is mainly protection like skin, diffusion of material etc. .
Columnar epithelial cells are often marked by the presence of cilia called ciliated columnar epithelium.
Cilia are absent in the cells of squamous epithelial tissue.
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These cells are tall .
These cells are Cylindrical.
These cells are Pillar like.
The basal part of the cells which rests on the basement membrane bears oval nucleus.
The free ends present in these cells are known as microvilli .
They are present in our pharynx, stomach, intestine etc.
Squamous epithelium is made up of thin, flat, polygonal cells.
They are having disc like structure.
The nucleus is rounded, bulging and centrally located.
They form a structure as that of a floor tile .
The squamous epithelium are of two types :
★ Simple Squamous tissue
★ Stratified Squamous tissue
Location :
They form the lining of nose, pericardial cavity, blood vessels, lung alveoli, coelomic cavity etc .
They are also found in the surface of the skin .
Functions :
• Protection
• Exchange of gases
• Ultrafiltration
• Abrasion
These cells are Cylindrical.
These cells are Pillar like.
The basal part of the cells which rests on the basement membrane bears oval nucleus.
The free ends present in these cells are known as microvilli .
They are present in our pharynx, stomach, intestine etc.
Squamous epithelium is made up of thin, flat, polygonal cells.
They are having disc like structure.
The nucleus is rounded, bulging and centrally located.
They form a structure as that of a floor tile .
The squamous epithelium are of two types :
★ Simple Squamous tissue
★ Stratified Squamous tissue
Location :
They form the lining of nose, pericardial cavity, blood vessels, lung alveoli, coelomic cavity etc .
They are also found in the surface of the skin .
Functions :
• Protection
• Exchange of gases
• Ultrafiltration
• Abrasion
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