The phrase "mushroom body" refers to a part of the brain in insects, specifically in their olfactory system or the part that deals with sense of smell. It is called a "mushroom body" because it often has a round, mushroom-like shape. Full definition
Next, the team analyzed protein expression in mushroom bodies. (sciencedaily.com)
Not only were the characteristics of individual mushroom body neurons the same across species, their organization among each other was the same as well. (sciencedaily.com)
Social insects tend to have larger mushroom bodies than solitary ones, leading researchers to believe that the transition from solitary to social living increased the size of these brain regions. (sciencemag.org)