#anemia__anaemia  a deficiency of red blood cells
  supertype:  #blood_disease__blooddisease__blood_disorder__blooddisorder  a disease or disorder of the blood
  subtype:  #aplastic_anemia__aplastic_anaemia  anemia characterized by pancytopenia resulting from failure of the bone marrow; can be caused by neoplasm or by toxic exposure
  subtype:  #erythroblastosis_fetalis  severe anemia in newborn babies; the result of Rh incompatibility between maternal and fetal blood; typically occurs when the child of an Rh-negative mother inherits Rh-positive blood from the father; can be diagnosed before birth by amniocentesis
  subtype:  #Fanconi's_anemia__Fanconi's_anaemia__congenital_pancytopenia  a rare congenital anemia characterized by pancytopenia and hypoplasia of the bone marrow
  subtype:  #favism  anemia resulting from eating fava beans; victims have an inherited blood abnormality and enzyme deficiency
  subtype:  #hemolytic_anemia__hemolyticanemia__haemolytic_anaemia  anemia resulting from destruction of erythrocytes
  subtype:  #hyperchromic_anemia__hyperchromic_anaemia  anemia characterized by an increase in the concentration of corpuscular hemoglobin
  subtype:  #hypochromic_anemia__hypochromicanemia__hypochromic_anaemia__hypochromicanaemia  anemia characterized by a decrease in the concentration of corpuscular hemoglobin
     subtype:  #thalassemia__thalassaemia__Mediterranean_anemia__Mediterranean_anaemia  an inherited form of anemia caused by faulty synthesis of hemoglobin
        subtype:  #Cooley's_anemia__Cooley's_anaemia__thalassemia_major__thalassemiamajor__thalassaemia_major  a fatal form of homozygous thalassemia (inherited from both parents) in which there is no hemoglobin; skeletal deformations; heart and spleen and liver enlarged
  subtype:  #hypoplastic_anemia__hypoplasticanemia__hypoplastic_anaemia__hypoplasticanaemia  anemia resulting from inadequately functioning bone marrow; can develop into aplastic anemia
  subtype:  #iron_deficiency_anemia__iron_deficiency_anaemia  a form of anemia due to lack of iron in the diet or to iron loss as a result of chronic bleeding
     subtype:  #chlorosis__chlorosi__greensickness__greensicknes  iron deficiency anemia in young women; characterized by weakness and menstrual disturbances and a green color to the skin
  subtype:  #ischemia__ischaemia  local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism
     subtype:  #ischemic_stroke__ischaemic_stroke__ischaemicstroke  the most common kind of stroke; caused by an interruption in the flow of blood to the brain (as from a clot blocking a blood vessel)
     subtype:  #transient_ischemic_attack__TIA  brief episode in which the brain gets insufficient blood supply; symptoms depend on the site of the blockage
  subtype:  #macrocytic_anemia__macrocytic_anaemia  anemia in which the average size of erythrocytes is larger than normal
  subtype:  #microcytic_anemia__microcytic_anaemia  anemia in which the average size of erythrocytes is smaller than normal
  subtype:  #pernicious_anemia__pernicious_anaemia__malignant_anemia__malignantanemia__malignantanaemia  a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)
     subtype:  #megaloblastic_anemia__megaloblasticanemia__megaloblasticanaemia  anemia characterized by many large immature and dysfunctional red blood cells (megaloblasts) in the bone marrow; associated with pernicious anemia
     subtype:  #metaplastic_anemia__metaplasticanemia__metaplastic_anaemia__metaplasticanaemia  pernicious anemia in which the various formed elements in the blood are changed
  subtype:  #refractory_anemia__refractory_anaemia  any of various anemic conditions that are not successfully treated by any means other than blood transfusions (and that are not associated with another primary disease)
     subtype:  #sideroblastic_anemia__sideroblasticanemia__sideroblastic_anaemia__sideroblasticanaemia__siderochrestic_anemia__siderochrestic_anaemia  refractory anemia characterized by sideroblasts in the bone marrow
  subtype:  #sickle-cell_anemia__sickle-cell_anaemia__sickle-cell_disease__crescent-cell_anemia__crescent-cell_anaemia__drepanocytic_anemia__drepanocytic_anaemia  a congenital form of anemia occurring mostly in blacks; characterized by abnormal blood cells having a crescent shape

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