Definition of "papule" []

• A small, solid, usually inflammatory elevation of the skin that does not contain pus. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "According to WIkipedia a "nodule" can be: "a small knobbly rock or mineral cluster, such as a manganese nodule; a small aggregation of cells; a lesion similar to a papule; or Root nodule, an outgrowth formed on the roots of legumes that house symbiotic bacteria that fix atmospheric nitrogen and provide it to the plant in exchange for carbon.""
• "This neutrophilic accumulation causes a small papule, or pimple."
• "The injection itself releases some of the pressure, and the cortisone acts as an anti-inflammatory so it turns off the neutrophils and flattens the papule."