Definition Rheumatoid arthritis is an autoimmune disease in which the body’s immune system – which normally protects its health by attacking foreign substances like bacteria and viruses – mistakenly attacks the joints.... Read more »


Definition: Myelodysplastic syndromes (MDS) are a group of cancers in which immature blood cells in the bone marrow do not mature and therefore do not become healthy blood cells. Early on there... Read more »


MYELOKATHEXIS Definition Myelokathexis is a congenital disorder of the white blood cells that causes severe, chronic leukopenia (a reduction of circulating white blood cells) and neutropenia (a reduction of neutrophil granulocytes). The... Read more »


Definition: Lymphoma is a group of blood cancers that develop from lymphocytes (a type of white blood cell). The name often refers to just the cancerous versions rather than all such tumors.... Read more »


LUPUS Definition Lupus is a systemic autoimmune disease in which the body’s immune system mistakenly attacks the body’s healthy tissue. There are many kinds of lupus, but the most common and severe... Read more »


HIV/AIDS Definition: Acquired immunodeficiency syndrome (AIDS) is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV). By damaging your immune system, HIV interferes with your body’s ability to fight... Read more »


Tuberculosis Tuberculosis (TB) is a disease caused by germs that are spread from person to person through the air. TB usually affects the lungs, but it can also affect other parts of... Read more »


LEUKEMIA Definition: Leukemia is cancer of the body’s blood-forming tissues, including the bone marrow and the lymphatic system. Many types of leukemia exist. Some forms of leukemia are more common in children.... Read more »


HYPERSPLENISM            Definition: a premature destruction of blood cells by the spleen Hypersplenism is an overactive spleen. The spleen is an organ found in the upper left side... Read more »


Aplastic anemia Aplastic anemia is a condition that occurs when your body stops producing enough new blood cells. Aplastic anemia leaves you feeling fatigued and with a higher risk of infections and... Read more »