Squamous cell

Squamous cells are a type of epithelial cell that are found in many places throughout the body, including the skin, the esophagus, and the lining of the respiratory tract. They are flat and scale-like in appearance, and they serve a variety of functions depending on their location.

Structure

Squamous cells are thin and flat, with a shape that is similar to a fish scale. They are typically found in layers, with the cells at the bottom being the most active. As these cells mature, they move up through the layers and become more flattened.

Function

The primary function of squamous cells is to provide a barrier that protects the underlying tissues from damage. In the skin, this barrier also helps to prevent the loss of water. In the respiratory tract, squamous cells help to trap and remove particles that are inhaled.

Squamous cell carcinoma

Squamous cell carcinoma is a type of cancer that begins in the squamous cells. It is the second most common type of skin cancer, but it can also occur in other parts of the body, including the mouth, throat, and lungs.

See also

• Epithelium
• Squamous cell carcinoma
• Skin cancer

References

Squamous cell Resources
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