胸腺皮质增多，淋巴细胞聚集。
The thymic cortex incrassated and the lymphocyte became coarctate.
汇管区淋巴细胞聚集；
当遇到他们的特异性肽，T淋巴细胞就会聚集起来对抗病原的入侵。
Upon encountering their specific peptide, t lymphocytes multiply and mount an attack against the pathogen.
HIV专门攻击CD 4 +淋巴细胞，而口腔黏膜细胞通常聚集较多CD 4 +淋巴细胞。
HIV attacks CD4 + lymphocytes, and oral mucosa cells usually gathered more CD4 + lymphocytes.
此外，在消化道中的巨噬细胞可以通过聚集淋巴细胞来采取行动，打击入侵者。
In addition, macrophages in the digestive tract can rally lymphocytes into action against invaders.
在上皮处发现有喉相关淋巴组织，其中一些表现为典型的淋巴滤泡，而其它的则为聚集的淋巴细胞。
The larynx-associated lymphoid tissue (LALT) has also been observed in the epithelium, some of which exhibit as typical lymphoid follicles, and others as aggregating lymphocytes.
在上皮处发现有喉相关淋巴组织，其中一些表现为典型的淋巴滤泡，而其它的则为聚集的淋巴细胞。
The larynx-associated lymphoid tissue (LALT) has also been observed in the epithelium, some of which exhibit as typical lymphoid follicles, and others as aggregating lymphocytes.
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