Marks, or blemishes, that are made on the surface of the body: The professional stigmata are results of a person's occupation and they include callosities (areas of the skin that are thick or hard from continual pressure or friction), scars, bursae (fluid-filled sacs located between movable parts of the body; especially, at the joints), tattoo marks, deformities of the nails and teeth, and color changes of the skin and hair.