paneth cell

anatomical anatomy anti antigens apparatus appendix bacteria bacterial cell cells cytoplasm digestion digestive disease endoplasmic enterocyte enteroendocrine epithelial epithelium glandular golgi granules health healthy human illustration immunity infection intestinal intestine intestines large medical medicine microbial microscope microvilli mitochondrion nucleus oral paneth physiology reticulum science secrete secretory small vector vesicles villi villus