Macula, (Pl. Maculae) : (a) A small spot, perceptibly different in color from the surrounding tissue. (b) A small, discolored patch or spot on the skin, neither elevated above nor depressed below the skin's surface
US Army Center for Health Promotion and Preventive Medicine CHPPM, TG 204 Glossary of Terms For Nuclear, Biological, and Chemical Agents And Defense Equipment (Section 4 - Biological Terms), MD, USA 2001. http://www.au.af.mil/au/awc/awcgate/army/tg204.pdf , (Def Equip/ Biol Terms - Amer) {489}
Madison County North Carolina Government, Madison County Emergency Operations Plan Glossary (Section 4: Biological Terms), NC, USA 2009. http://www.madisoncountync.org/eop/Madison_EOP_PDF /Glossary.pdf, (CBRNEmr - Amer) {876}