Spontaneous rupture of an arteriole.
D001158:Arteries; D005881:Gingiva; D006801:Humans; D008297:Male; D008334:Mandible / Q000098:blood supply*; D008875:Middle Aged; D006472:Oral Hemorrhage / Q000601:surgery*; D012422:Rupture, Spontaneous; D013537:Sutures