Immune system- WBC Types

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Last updated 4:21 PM on 9/9/26
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8 Terms

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Mast Cells

Involved in healing wounds and allergic reaction. Dilates blood vessels + induces inflammation via histamine/ heparin release. Recruits macrophages + neutrophils to defend wounds. Found in connective tissues and mucous membranes.

<p>Involved in healing wounds and allergic reaction. Dilates blood vessels + induces inflammation via histamine/ heparin release. Recruits macrophages + neutrophils to defend wounds. Found in connective tissues and mucous membranes.</p>
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Macrophage

Phagocytic cell that consumes pathogens and cancer cells. Stimulates response of other cells. Migrates from blood vessels into tissues.

<p>Phagocytic cell that consumes pathogens and cancer cells. Stimulates response of other cells. Migrates from blood vessels into tissues.</p>
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Natural Killer Cell

Kills tumors and virus infected cells. Circulates in the blood and migrates into tissues.

<p>Kills tumors and virus infected cells. Circulates in the blood and migrates into tissues.</p>
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Dendrite Cell

Presents antigens on its surface for the adaptive immune system (B cells) to memorize them and create specific antibodies. Present in epithelial tissue (skin, lung, stomach). Migrates to lymph nodes when active.

<p>Presents antigens on its surface for the adaptive immune system (B cells) to memorize them and create specific antibodies. Present in epithelial tissue (skin, lung, stomach). Migrates to lymph nodes when active.</p>
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Monocyte

Differentiate into macrophages and dendrite cells in response to inflammation. Stored in the spleen, moves via blood vessels into tissues.

<p>Differentiate into macrophages and dendrite cells in response to inflammation. Stored in the spleen, moves via blood vessels into tissues.</p>
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Neutrophils

First responders at the site of infection. Phagocytic and make up 50-60% of all leukocytes. Releases toxins that kill/inhibit bacteria and fungi. Recruits other immune cells to infection.

<p>First responders at the site of infection. Phagocytic and make up 50-60% of all leukocytes. Releases toxins that kill/inhibit bacteria and fungi. Recruits other immune cells to infection.</p>
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Basophil

Responsible to parasite defenses. Releases histamines that cause inflammation and sometimes responsible for allergic reactions. Circulates in blood and migrates to tissues.

<p>Responsible to parasite defenses. Releases histamines that cause inflammation and sometimes responsible for allergic reactions. Circulates in blood and migrates to tissues.</p>
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Eosinophil

Releases toxins that kill bacteria/parasites but also causes tissue damage at the same time. Circulates in blood and migrates to tissue.

<p>Releases toxins that kill bacteria/parasites but also causes tissue damage at the same time. Circulates in blood and migrates to tissue.</p>