应用细胞整装制备和穿透电子显微镜技术，在家蚕4龄幼虫睾丸育精囊的初级精母幼胞内检查出四个基体&轴丝复合体结构。
Using cell whole mount preparation , tetrad basal boby-axoneme complexes in the primary spermatocyte from testicular cysts of fourth instar larvae of Bombyx mori are examined by transmission electron microscopy .
育精囊