3D, ANATOMICAL, ANATOMY, ARTWORK, BACKGROUND, BACTERIA, BIOLOGY, BLACK, BODY, BOWEL, CGI, COLON, DIGESTION, DIGESTIVE, DIGITALLY-GENERATED, DIMENSIONAL, FLORA, FOOD, GRAPHIC, GUTS, HEALTHY, HUMAN, ILLUSTRATION, INFECTION, INTESTINAL, KAULITZKI, LARGE, LINING, LUMEN, MICROBE, MICROBIOLOGY, NO-ONE, NOBODY, SEBASTIAN, SMALL, STOMACH, SYSTEM, THREE, THREE-DIMENSIONAL, TRACT,