大家在查： mucous cell mucous gland mucous sputum mucus barrier mud ball mucopurulent sputum mucopolysaccharidosis mucocutaneous leishmaniasis mucocutaneous hemorrhage muckraker

mucosal-associated lymphoid tissue

次级淋巴器官为引起免疫反应所在的淋巴结（lymph node）、脾脏（spleen）与黏膜相关淋巴组织（mucosal-associated lymph…