Natural Home Remedies for Mouth Ulcers Mast cells and macrophages are also involved, secreting TNF-α along with the T cells. When early aphthous ulcers are biopsied, the histologic appearance shows a dense inflammatory infiltrate, 80% of which is made up of T cells. Previous Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 2017-10-14 spiel