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April 25, 2015

Homework Help: Biology - The Stomach

Posted by Lena on Sunday, March 27, 2011 at 10:44pm.

When referring to the lumen of the stomach is that just the opening. As in where are the HCl is and where your food enters? I googled the definition of lumen and it says inside space. I'm just not too clear on what it really means. Thanks.

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