the structure of paneth cells. davidoff`s cell. fographics. on background.

absorption anatomical anatomy anti antigens apparatus appendix bacteria biology body care cell digestive disease enterocyte epithelial epithelium gastrointestinal golgi granules gut health human ileum illustration immunity infection intestinal intestine medical medicine microbial microscope microvilli mitochondrion organ paneth physiology reticulum science scientific secretory section small surface system tract vesicles villi villus