HSCI 003 Chapter 13 Pathologies

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Phlebotomy

Making an incision into a vein.
Coagulation Time

Time required for venous blood to clot in a test tube.
Aplastic Anemia

Failure of blood cell production in the bone marrow.
Hemolytic Anemia

Reduction in red cells due to excessive destruction.
Pernicious Anemia

Lack of mature erythrocytes caused by inability to absorb Vitamin B₁₂into the blood stream.
Sickle Cell Anemia

Hereditary disorder of abnormal hemoglobin producing sickle-cell shaped erythrocytes and hemolysis.
Thalassemia

Inherited defect in ability to produce hemoglobin, leading to hypochromia.
Hemochromotosis

Excess iron deposits throughout the body.
Polycythemia Vera

General increase in red blood cells (erythemia).
Hemophilia

Excessive bleeding caused by hereditary lack of blood clotting factors necessary for blood clotting.
Prothrombin

One of the clotting factors made by the liver.
Purpura

Multiple pinpoint hemorrhages and accumulation of blood under the skin.
Granulocytosis

Abnormal increase in granulocytes in the blood.
Mononucleosis

Infectious disease marked by increased numbers of mononuclear leukocytes and enlarged cervical lymph nodes.
Multiple Myeloma
- Malignant neoplasms of bone marrow.
- They destroy bone tissue and cause overproduction of immunoglobins, including Bence Jones protein.