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HA28

Immune28l
Diffuse lymphatic tissue and lymphatic nodules are found in the mucous membranes of the digestive (GALT), respiratory (BALT), and urogenital (MALT) tracts. HA28 is a micrograph of the palatine tonsil. Note the unencapsulated nodules with germinal centers under the epithelium. The lumen to the right is continuous with the oral cavity.