Histidinuria
histidinuria his·ti·di·nu·ri·a (hĭs’tĭ-də-nur’ē-ə, -nyur’-)
n.
The excretion of excessive histidine in the urine.
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- Histidyl  histidyl his·ti·dyl (hĭs’tĭ-dĭl’) n. The univalent radical, C6H8N3O2, of histidine. 
- Histio-  histio- pref. Body tissue: histioblast. 
- Histioblast  histioblast his·ti·o·blast (hĭs’tē-ə-blāst’) n. A tissue-forming cell. Also called histoblast. 
- Histiocyte  /ˈhɪstɪəˌsaɪt/ noun 1. (physiol) a macrophage that occurs in connective tissue histiocyte his·ti·o·cyte (hĭs’tē-ə-sīt’) n. A relatively inactive, immobile macrophage found in normal connective tissue. Also called fixed macrophage, histocyte. his’ti·o·cyt’ic (-sĭt’ĭk) adj. 
- Histiocytic medullary reticulosis  histiocytic medullary reticulosis n. A rapidly fatal lymphoma, characterized by fever, jaundice, pancytopenia, and enlargement of the liver, spleen, and lymph nodes. The affected organs show focal necrosis and hemorrhage, with proliferation of histiocytes and with phagocytosis of the red blood cells. 
