• Fine structure with regard to sperm functions of the ductus ejaculatoris duplex of the male reproductive tract ofHeliothis armigera (Hübner) (Lepidoptera: Noctuidae)

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    • Keywords


      Apocrine; duplex; endocytosis; holocrine; merocrine; phagosome

    • Abstract


      The ‘S’ shaped duplex gland, the shortest among the male reproductive glands, ultrastructurally exhibits only a single cell type, characterized by the presence of multishaped rough endoplasmic reticulum, polymorphic Golgi bodies and vesicles. The frequent mode of secretion appears apocrine, with occasional merocrine and holocrine. Continuous with the height of secretory activity, the epithelia degenerates leaving only basement membrane and muscle layers.

    • Author Affiliations


      G Amaldoss1

      1. Department of Biology, Fu Jen University, Hsinchuang, Taipei - 24205, Taiwan, Republic of China
    • Dates


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