has_role participates_in has_participant has_component has component chemical entity vitamin (role) vitamin metabolic process homeostatic process vitamin transport Abnormality of vitamin metabolism abnormal vitamin deficiency true Hypovitaminosis Catherine Leroy A disorder that is caused by the deficiency of a vitamin. The deficiency may result from either suboptimal vitamin intake or conditions that prevent the vitamin's use or absorption in the body. Representative examples include beriberi caused by thiamine deficiency, scurvy caused by vitamin C deficiency, and rickets caused by vitamin D deficiency. Avitaminosis SNOMEDCT:85670002 ICD10:E56 NCIt:C34406 Vitamin deficiency (disorder) Vitamin Deficiency Disorder MESH:D001361 MedDRA:10047628 NCIt:C35772