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| | Medmicro Chapter 1a |
 | | The system consists of 1) monocytes in the blood, 2) macrophages in the liver, spleen, lymph nodes, thymus, bone marrow, connective tissues, and submucosal tissues of the respiratory and alimentary tracts, 3) dendritic cells in lymph nodes, 4) Langerhans cells in skin, and 4) glial cells in the central nervous system. |
 | | The lymphoid system is divided into 1) central lymphoid organs, the thymus and bone marrow, and 2) peripheral lymphoid organs, lymph nodes, the spleen, and mucosal and submucosal tissues of the alimentary and respiratory tracts. |
 | | The system is divided into a) central lymphoid organs, the thymus and bone marrow, and b) peripheral lymphoid organs including lymph nodes, spleen, and the mucosa/submucosa of the respiratory and alimentary tracts (Fig. |
| gsbs.utmb.edu /microbook/ch001a.htm (3982 words) |
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