ASR pustules usually do not have the yellow halo which is related to bacterial pustule. In its aggravated state, it may evolve into a pustule or papules. Then, it develops into a pustule, and then a bulla with central hemorrhagic focus. Each pustule bears the larva of a Great Old One. A pustule on Torrance's body erupts in Osbourne's face, causing him to flee the room. A high degree of pustule coalescence can result in distortion of the leaf. She would then haggle with the child's mother over the cost of each pustule. The name is derived from the Greek root "pemphix", meaning "pustule". At about 1/2 mile one can observe an excellent example of a pustule dome.