The macrophage.

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<p>Dr Ian Carr lectures on one of the most important phagocytic cells, the macrophage. Macrophages are white blood cells found within tissues, produced by the division of monocytes. Their main function is the engulfment and digestion of cellular debris and pathogens. Here, Wall focuses on four main points about the cell: what it looks like; where it be found - its origins and circulation; how it works at a cellular level to ingest foreign material; and what its main role is in bodily function. 7 segments</p>

The macrophage.

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