> Follicle 1)Follicular cells Simble cuboidal epi Columnar(stimulated) Squamous(inactive) 2) Parafollicular cells(滤泡旁细 胞) 3) Colloid(胶质) >Interfollicle stroma3 ➢Follicle 1)Follicular cells Simble cuboidal epi Columnar (stimulated) Squamous (inactive) 2)Parafollicular cells（滤泡旁细 胞） 3)Colloid（胶质） ➢Interfollicle stroma