amebula
noun
ame·bu·la
variants:
or chiefly British amoebula \ ə-ˈmē-byə-lə 
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plural amebulas
or amebulae\ -(ˌ)lē
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Medical Definition of amebula
1
: a small amoeba
2
: any of various small cells or organisms (as in some stages of myxomycetes or gregarines) resembling an amoeba in form