4. Erythematous Of or relating to or characterized by erythema, which is the redness of oral tissues or skin as caused by dilation or congestion of capillary.
6. Edema Edema is swelling that is caused by fluid trapped in your body’s tissues
7. papules papule is a circumscribed, solid elevation of skin with no visible fluid, varying in size from a pinhead to 1 cm.
8. vesicles vesicle is a small blister (has fluid), as on the skin. Vesicles also occur on the mucous membranes, such as the buccal mucosa Vesicles are less than .5 cm
10. Oral ulcer Oral ulcer is an open sore inside the mouth, or rarely a break in the mucous membrane or the epithelium on the lips or surrounding the mouth.