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The spleen is surrounded by a tough connective tissue capsule (cap) that extends inward as trabeculae (*). Arteries, veins and nerves pass through the trabeculae. |
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Several blood vessels can be seen in this image, as well as part of a trabecula in the lower right corner. |
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The venous sinuses in the red pulp are usually not visible
on slides of the spleen unless the tissue is prepared by distending
it with fluid before it is fixed, embedded and sectioned. |
return to organ slide index |