sphingomyelinase

noun
sphin·​go·​my·​elin·​ase | \ -ˈmī-ə-lə-ˌnās, -ˌnāz \

Medical Definition of sphingomyelinase

: any of several enzymes that catalyze the hydrolysis of sphingomyelin and are lacking in some metabolic deficiency diseases (as Niemann-Pick disease) in which sphingomyelin accumulates in bodily organs (as the spleen and liver)

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to gather or build up little by little

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