Bulla - Definition
bulla
n 1: (pathology) an elevation of the skin filled with serous
fluid [syn: blister, bulla, bleb]
2: the round leaden seal affixed to a papal bull
n 1: (pathology) an elevation of the skin filled with serous
fluid [syn: blister, bulla, bleb]
2: the round leaden seal affixed to a papal bull