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endothelium and epithelium cells

Please may someone tell me the difference between these two types of cell? I feel this should be a basic question but I don't know the answer

Thank you:smile:
Epithelia line the "outside" of our bodies. Basically, this is anything which is open to the outside, and includes the skin, the lining of our intestines, our bladder and urethra, etc.

Endothelia line the "inside" of our bodies, so this is the lining of our blood vessels, the lining of the chambers of the heart, etc.
Original post by BioStudentx
Epithelia line the "outside" of our bodies. Basically, this is anything which is open to the outside, and includes the skin, the lining of our intestines, our bladder and urethra, etc.

Endothelia line the "inside" of our bodies, so this is the lining of our blood vessels, the lining of the chambers of the heart, etc.


This is so useful, thank you very much!:smile:

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