part of part of goblet cell intestinal villus goblet cell ileal goblet cell https://cellxgene.cziscience.com/cellguide/CL_1000326 A goblet cell that is part of the epithelium proper of ileum. FMA:263067 The ileal goblet cell is a subset of intestinal goblet cells that are a key component of the epithelium of the ileum, a portion of the small intestine. Goblet cells are named and characterized by their distinctive 'goblet' shape with a narrow base tapering to a broad apical surface; located between the lumen of the intestine and the internal environment of the body, they serve an integral role in maintaining gut homeostasis. Like all intestinal goblet cells, the primary function of ileal goblet cells is the production and secretion of mucins, large, heavily glycosylated proteins that combine to form mucus. This mucus lining serves as a protective barrier, shielding the underlying tissue from the potentially damaging effects of digestive enzymes, acids, or pathogenic microbes present in the gut lumen. Their strategic location in the ileal segment of the intestinal tract aids in efficient nutrient absorption while also maintaining an impregnable barrier against potential pathogens, ensuring an intricate balance. Goblet cells of the ileum also play a significant role in immune modulation. They are thought to promote oral tolerance (the immune unresponsiveness to orally ingested antigens such as food) by delivering luminal antigens to underlying dendritic cells, thereby driving immune education and tolerogenic responses. They also secrete bioactive molecules, such as the trefoil factor peptide TFF3, which aids in repairing damaged epithelium. By performing these crucial functions, ileal goblet cells not only aid in maintaining intestinal health, but also contribute significantly to the overall well-being of the organism. (This extended description was generated by ChatGPT and reviewed by the CellGuide team, who added references, and by the CL editors, who approved it for inclusion in CL. It may contain information that applies only to some subtypes and species, and so should not be considered definitional.) goblet cell of epithelium proper of ileum Homo sapiens ileal epithelium