GI

Gastrointestinal, referring collectively to the stomach and small and large intestines. Outside of medicine, GI can also stand for galvanized iron, general issue or government issue (as in GI Joe).

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Abbreviation for gastrointestinal; Gingival Index.

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primigravida

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GI (')jē-'ī abbr

1) gastrointestinal

2) glycemic index

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gastrointestinal.