Figure 10­25
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The connective tissue of a trabecula in the spleen is indicated by the arrow. These thick structures are an aid in the
Holdings,
identification of the spleen and in distinguishing this organ from the other lymphoid organs.
The red pulp of the spleen constitutes the bulk of the image. In the center of the field is a small splenic nodule
LLC.
(curved arrow), which is a primary nodule in that it lacks a germinal center. A small branch of the splenic artery is
Not
located in the middle of the cluster of lymphocytes and, thus, the artery is called a central artery (arrowhead). The
to
densely packed lymphocytes in the adventitia of the vessel are most likely T cells forming the periarterial lymphatic
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563

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