Microvillus Inclusion Disease, also known as congenital microvillous atrophy, is related to diarrhea 2, with microvillus atrophy, with or without cholestasis and secretory diarrhea. An important gene associated with Microvillus Inclusion Disease is MYO5B (Myosin VB), and among its related pathways/superpathways are Sertoli-Sertoli Cell Junction Dynamics and Autophagy pathway. Affiliated tissues include small intestine and liver, and related phenotypes are global developmental delay and dehydration