has part has core process course of Niemann–Pick disease type A and type B course of Niemann–Pick disease type B PMID:20111001 The totality of all processes through which the Niemann–Pick disease type B is realized. This causal process is heredity. https://ghr.nlm.nih.gov/condition/niemann-pick-disease https://omim.org/entry/607616 decrease in platelet count [Niemann Pick Disease Type B] severe sphingomyelin accumulation in lysosome [Niemann Pick Disease Type B] splenohepatomegaly [Niemann Pick Disease Type B] pulmonary infection [Niemann Pick Disease Type B] sphingomyelin metabolism imbalance [Niemann Pick Disease Type B] sphingomyelinase gene mutation [Niemann Pick Disease Type B] dysfunction of sphingomyelin degradation [Niemann Pick Disease Type B] sphingomyelin biosynthetic process[Niemann Pick Disease Type B] sphingomyelin homeostasis imbalance [Niemann Pick Disease Type B]