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gas·tro·co·lic .gas-trō-'käl-ik, -'kō-lik adj of, relating to, or uniting the stomach and colon <a \gastrocolic fistula>
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gas·tro·col·ic (gas″tro-kolґik) 1. pertaining to or communicating between the stomach and colon. 2. proceeding from the stomach to the colon.Medical dictionary. 2011.