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13 Cards in this Set
- Front
- Back
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Production sites in the bone marrow are commonly referred to as what? |
medullary sites |
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In times of high demand, production of cells can occur outside the bone marrow. What are they? |
the spleen, the liver, and the lymph nodes |
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What is the name for those other production sites? |
extramedullary sites |
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Hematopoiesis |
the production of blood cells |
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What do all blood cells in the bone marrow arise from? |
common stem cells |
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Which four types of cells differentiate from the committed progenitor cell? |
erythrocytic, granulocytic, megakaryocytic, and agranulocytic |
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Cells are easier to identify on a smear from what? |
a bone marrow aspirate |
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What is the diameter size of the majority of megakaryocytes that are found? |
100 to 200 micrometers |
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What two types of precursors have an approx. cell diameter at 20 to 30 micrometers? |
large granulocytic or erythrocytic |
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What does the cell and nucleus do of maturing erythrocytic and granulocytic cells? |
decrease in size |
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What content in erythrocytic precurors increase causing the cytoplasm to become less blue and more red? |
Hemoglobin |
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Cells of the erythrocytic lineage have what, throughout most stages of development? |
a very round nuclei |
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As the granulocytic lineage matures, what does the nuclei become? |
indented and segmented |
