| Unit
1 - Fish
Blood Constituents
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| Thrombocytes - Origins | |
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The source of thrombocytes remains to be established. Some workers suggest that they derive from the same cells as lymphocytes, and others that they are actually descended from small lymphocytes. However, thrombocytes are seen in large numbers in the spleen suggesting that the main source of these cells is splenic tissue. |
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Notes |
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| SPLEEN:
Organ comprising a mass of lymphoid tissue in the mesentery; unlike lymph
nodes it is interposed in the blood circulation.
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