2- The epithelial cell: A. - Is a mobile cell. B. - Is an inflammatory cell. C. - Contains specific intermediate filaments. D. - Is polarized. E. - Originates from the blood monocyte
Question
2- The epithelial cell: A. - Is a mobile cell. B. - Is an inflammatory cell. C. - Contains specific intermediate filaments. D. - Is polarized. E. - Originates from the blood monocyte
Solution
The epithelial cell:
A. - Is not typically a mobile cell. Epithelial cells are usually stationary and form the lining of many body parts.
B. - Is not an inflammatory cell. Epithelial cells are not part of the immune system and do not directly participate in inflammation.
C. - Contains specific intermediate filaments. This is true. Epithelial cells contain keratin, a type of intermediate filament protein.
D. - Is polarized. This is also true. Epithelial cells have a distinct polarity, with different structures and functions at their apical (top) and basal (bottom) surfaces.
E. - Does not originate from the blood monocyte. Epithelial cells and monocytes (a type of white blood cell) are derived from different types of stem cells.
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