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Characteristics: contains formed elements—erythrocytes, platelets, leukocytes; also plasma.
Function: Transport of gases (oxygen and carbon dioxide), ions, proteins and lipids among other things.
Charcteristics: 60-70% circulating leukocytes, divided into two to five segments or lobes, light-staining.
Function: Phagocytosis of foreighn cells, toxins, and viruses; involved in bacterial infections.
Characteristics: Small lobe protrudes from the nucleus, known as "drumstick." It represents the inactive sex chromosome of the cell (Barr body).
Location: Found solely in females.
Characteristics: Constitute 2-4% of circulating Leukocytes. Bilobed nucleus, reddish-orange granules.
Function: Effective against parasitic-worm infections; involved in allergic reactions.
Characteristics: 0.5-1% of circulating Leukocytes (least numerous of all leukocytes). Nuclei stain dark blue-purple, numerous dark granules may sometimes mask the nucleus.
Function: A role in allergic responses. Granules contain histamines (vasodilators) and heparin (anticoagulant).
Characteristics: Large dark purple staining nucleus with thin rim of pale blue cytoplasm; accounts for 255-35% of circulating leukocytes.
Functions: B-cells involved in humoral immunity and produce antibodies; T-cells involved in cell-mediated immunity to destoy foreign cells.
Characteristics: More abundant and basophilic cytoplasm than small lymphocytes; also cytotoxic or natural killer cells; may function in absence of antibodies.
Function: Destroy tissue grafts, tumor cells, and cells infected with viruses through production of perforins.
Characteristics: 3-8% of circulating leukocytes. Kidney-shapped or horseshoe-shaped nucleus.
Function: Migrate into tissues, where they become macrophages and sere in phagocytosis of foreign particles such as viruses and bacteria.
Increased neutrophil count.
Cause: Bacteria Infection.
IRON DEFICIENCY ANEMIA
Anemia: Messes up with the form of erythrocytes. Not enough healthy red blood cells.
Red blood cells: provide O2 to the tissues.
CHRONIC LYMPHOCYTIC LEUKEMIA
There's too many lymphocytes that are about the same size. Occurs over a long period of time.
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