1、Lack of ironLow serum iron Low t.s.Low hemoglobinIDIDIEDATissueFe+Fe+TransferrinErythropoiesisReceptorMitoHemoglobinFerritinTransferrin(转铁蛋白转铁蛋白)+Fe+Serum ironErythroblast 成红细胞成红细胞Transferrin1 mgInorganic iron absorptionDietary inorganic iron 膳食无机铁 is absorbed mainly from duodenal enterocyte 十二指肠上皮细
2、胞 -Dietary iron(Fe+)in the acid environment of the stomach is chelated 螯合 by ascorbic acid 抗坏血酸,sugars and amino acids 氨基酸.-The chelated iron is reduced to the ferrous 亚铁 state(Fe+)by ferric reductase 高铁还原酶 in the alkaline 碱性 environment of the duodenum.Adjunct adj.附属的Egg yolk 蛋黄Spinach n.菠菜Fe+Fe+Fe
3、+/Fe+Fe+chelatedIron cycle in humansReticuloendothelial System PlasmaMature 成熟成熟ErythrocytesErythroid Bone MarrowIntestine肠肠 liverCirculatingtransferrin120 daystransferrinhemoglobiniron SPOON SHAPED NAILSLaboratory testingNORMALIDASmear of Blood Bone marrow n Iron Metabolism：IDAemoval of etiological factorsReticulocytesIron dextran(右旋糖苷铁右旋糖苷铁)50mg im qd=(Hb1-Hb2)X 0.33 X kg weight Hb1:required hemoglobin Hb2:current hemoglobin Answer to Q4
