Signal T1-weighted T2-weighted High Fat[31][32] Subacute hemorrhage[32] Melanin[32] Protein-rich fluid[32] Slowly flowing blood[32] Paramagnetic substances, such as gadolinium, manganese, copper[32] Cortical pseudolaminar necrosis[32] More water content,[31] as in edema, tumor, infarction, inflammation and infection[32] Extracellularly located methemoglobin in subacute hemorrhage[32] Inter- mediate Gray matter darker than white matter[33] White matter darker than grey matter[33] Low Bone[31] Urine CSF Air[31] More water content,[31] as in edema, tumor, infarction, inflammation, infection, hyperacute or chronic hemorrhage[32] Low proton density as in calcification[32] Bone[31] Air[31] Fat[31] Low proton density, as in calcification and fibrosis[32] Paramagnetic material, such as deoxyhemoglobin, intracelullar methemoglobin, iron, ferritin, hemosiderin, melanin[32] Protein-rich fluid[32]