Definition Absent iron-store hemoglobin synthesis↓ A microcytic and hypochromic anemia The most common nutritional anemia

【作用与作用机制】 铁是血红蛋白和肌红蛋白的主要组成成分，红细胞靠血红蛋白 携氧，肌肉运动靠肌红蛋白供氧，铁还参与体内三羧酸循环等生化过程。当缺铁时，血红 蛋白合成受阻，从而引起缺铁性贫血以及出现与组织缺铁或含铁的酶活性降低的有关体 征：如组织粘膜、皮肤、指甲病变，生长迟缓，行为异常，体力不足等

Definition Absent iron-store hemoglobin synthesis↓ A microcytic and hypochromic anemia The most common nutritional anemia

一、小儿血液系统疾病 Diseases of erythrocytic system: 二、红细胞系统疾病: Hematopoietic substances deficiency; 三、造血原料缺乏; Nutritional iron deficiency anemia 四、营养性缺铁性贫血 nutritional megaloblastic anemia 五、营养性幼性贫血

Hematologic Disorders of Children 一、小儿血液系统疾病 Diseases of erythrocytic system: 二、红细胞系统疾病: Hematopoietic substances deficiency; 三、造血原料缺乏; Nutritional iron deficiency anemia 四、营养性缺铁性贫血 nutritional megaloblastic anemia

小儿血液系统疾病 一、红细胞系统疾病 二、造血原料缺乏营养性缺铁性贫血

Definition Absent iron-store hemoglobin synthesisl A microcytic and hypochromic anemia The most common nutritional