Haustorium ( pl . haustoria ) a specialized outgrowth of many parasitic fungi and certain parasitic plants such as dodder ( cuscuta ) and broomrape ( orobanche ) , that penetrates into and withdraws food material from the cells of the host plant 吸器:是某些寄生真菌和某些寄生植物如菟丝子(菟丝子属)和肉苁蓉(列当属)所长出的特化结构,它可以刺入寄主植物体内并从寄主细胞中吸取营养物质。