Extract from Pegasus laternarius Cuvier (PLE) could increase the splenic and thymic weight in immunity-suppressed mice induced by hydrocortisone or cyclophosphamide and could increase the thymic weight in senile mice.

• 海蛾提取物使氢化可的松或环磷酰胺所致免疫低下小鼠的脾脏重量和胸腺重量增加,使老龄小鼠胸腺重量增加;