asked 108k views
4 votes
The most protective epithelium is a [?][?] epithelium which is found in the outer layer of the[?] as a barrier to the external environment as well as lining the upper GI tract such as in the[?]

asked
User JSEvgeny
by
8.5k points

1 Answer

4 votes
Keratinized, stratified columnar,
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