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Text replace - 'Mast Cells - WikiBlood' to 'Mast Cells'
==Actions==
==Actions==
<p>Eosinophils are involved in [[Type I Hypersensitivity - WikiBlood|type I hypersensitivity]] reactions.</p>
<p>Eosinophils are involved in [[Type I Hypersensitivity - WikiBlood|type I hypersensitivity]] reactions.</p>
<p>In an infection or allergic reaction, eosinophil numbers are increased by the release of Il-3, Il-5 and GM-CSF (see [[Leukopoiesis - WikiBlood#Summary of pathways|eosinophil development]]) by Th2 and [[Mast Cells - WikiBlood|mast cells]]. This causes more eosinophils to be released into the blood stream. The eosinophils are then attracted to the required site of action by chemicals known as eotaxins which are released by mast cells. Histamine and its breakdown products also act as attractants. These same products activate the eosinophil increasing its affinity to bind to IgE.</p>
<p>In an infection or allergic reaction, eosinophil numbers are increased by the release of Il-3, Il-5 and GM-CSF (see [[Leukopoiesis - WikiBlood#Summary of pathways|eosinophil development]]) by Th2 and [[Mast Cells|mast cells]]. This causes more eosinophils to be released into the blood stream. The eosinophils are then attracted to the required site of action by chemicals known as eotaxins which are released by mast cells. Histamine and its breakdown products also act as attractants. These same products activate the eosinophil increasing its affinity to bind to IgE.</p>
<p>Large numbers of eosinophils in a tissue give the tissue a greenish colour.</p>
<p>Large numbers of eosinophils in a tissue give the tissue a greenish colour.</p>
===Anti-parasitic===
===Anti-parasitic===
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<center><b><sup>Blood cells: [[Erythrocytes - WikiBlood|Erythrocytes]] |
<center><b><sup>Blood cells: [[Erythrocytes - WikiBlood|Erythrocytes]] |
[[Basophils|Basophils]], [[Eosinophils|Eosinophils]], [[Lymphocytes|Lymphocytes]], [[Macrophages|Macrophages]], [[Mast Cells - WikiBlood|Mast cells]], [[[[Monocytes|monocytes]]|Monocytes]] & [[Neutrophils|Neutrophils]] | [[Thrombocytes|Thrombocytes]] & [[Thrombopoiesis - WikiBlood#Megakaryocyte|Megakaryocytes]]</sup></b></center>
[[Basophils|Basophils]], [[Eosinophils|Eosinophils]], [[Lymphocytes|Lymphocytes]], [[Macrophages|Macrophages]], [[Mast Cells|Mast cells]], [[[[Monocytes|monocytes]]|Monocytes]] & [[Neutrophils|Neutrophils]] | [[Thrombocytes|Thrombocytes]] & [[Thrombopoiesis - WikiBlood#Megakaryocyte|Megakaryocytes]]</sup></b></center>