Learn how to say Bullae correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word bulla:
noun (plural bullae /ˈbʊliː/)
1 Medicine a large blister containing serous fluid.
an abnormal air-filled cavity in the lung.
2 Anatomy a rounded prominence.
3a round seal attached to a papal bull, typically one made of lead.
Latin, literally ‘bubble’