伸出

Dramatic enlargement of lymph nodes and other lymphoid tissue such as the adenoids and tonsils is often a normal response to a variety of relatively weak antigenic stimuli such as mild viral and bacterial infections or vaccinations in infants and children, whereas in adults these antigens will not elicit a generalized response.

在婴儿和儿童显著增大的淋巴结或其他的淋巴组织像扁桃体常常是对各种相对弱抗原刺激像轻度病毒和细菌感染或接种疫苗，然而在成人这些抗原将不会引起全是性反应。