3d rendering medically accurate of intestinal villi. red microvilli in a intestinal tract organ of the

3d intestinal medicine gastrointestinal organ banner villi tract microvilli rendering illustration microscopic digestive colon colonoscopy gastric bowel lining tissue epithelial absorption villus histology intestine gut digestion duodenum medical biology health graphic science submucosa cancer human anatomy artwork belly microscope disease cell inside alimentary internal illness scientific histological organic microscopy