Of the stomach (7)
I believe the answer is:
gastric
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">of the stomach</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for gastric that I've seen before include "affecting stomach" , "Intestinal" , "of the corporation?" , "Abdominal" , "Pertaining to the stomach" .)