unrecognizable doctor holding highlighted handrawn intestine in hands. medical , template, science mockup

abscess aesthetic anatomy appendicitis appendix background blue colitis colon digestive disease diverticular doctor drawing esophagus fissure fistula food gastric gastrointestinal gonorrhea hand healthy highlighted illustration immune infection inflammation infrequent internal intestine lactobacillus linear medical medicine microflora nutrition pharmacy pill probiotic problem screening stool system template tract tumor ulcer unrecognizable white woman