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Decreased numbers of all types of blood cells due to failure of the bone marrow to produce stem cells
Erythocytes that vary in shape. A sickle cell is a crescent-shaped erythrocyte seen in sickle cell anemia
Failure of the bone marrow to produce erythrocytes because it has been damaged by disease, cancer, radiation, or chemotherapy drugs.
iron deficiency anemia
Caused by a deficiency of iron in the diet. Also caused by increase loss of iron due to menstruation, hemorrhage, or chronic blood loss.
sickle cell anemia
Inherited genetic abnormality of an amino acid in hemoglobin. Sickle cells are fragile (because they frequently change shape), and they have a shortened life span, which results in anemia.
polycythemia vera (PAWL-ee-sy-THEE-me-ah)
Increased number of erythocytes due to uncontrolled production by the red marrow
lysis (process of breaking down or dissolving) of red blood cells with liberation of hemoglobin
acquired immunodeficiency syndrome (AIDS)
Severe infection caused by the human immunodeficiency virus (HIV).
Inability to produce a normal complement of antibodies or immunologically sensitized T cells especially in response to specific antigens
Of, relating to, or being a microorganism that is usually harmless but can become pathogenic when the host's resistance to disease is impaired
disseminated intravascular coagulation (DIC)
Severe disorder of clotting in which multiple small thrombi are formed throughout the body
Inherited genetic abnormality of a gene on the X chromosome. This causes a lack or a deficiency of a specific clotting factor
Deficiency in the number of thrombocytes due to exposure to radiation or chemicals or drugs that damage stem cells in the bone marrow
Generalized swelling of an arm or a leg that occurs after surgery when a chain of lymph nodes has been removed.
Most common type of lymphoma. Occurs in young adults-- painless, enlarged cervical lymph node in neck.
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