How internal bleeding leads to black diarrhea. Black diarrhea is made up of digested blood. When you have black diarrhea from internal bleeding, it means that the bleeding likely happened high up in your digestive tract. When you bleed in your food pipe or stomach, you donât always vomit blood.
GG - Government Grade, All Acronyms, viewed April 15, 2017, <https://www.allacronyms.com/GG/Government_Grade>.
G.I. is a military term that means Government Issue.. Many older veterans will refer to current and former military members as GI's and it's the origin of the term G.I. GI can be an abbreviation for gastrointestinal, referring to the human digestive tract.