SPERMATOGENESIS AND SPERMATOPHORE FORMATION IN THE INDIAN WHITE PRAWN PENAEUS INDICUS H. MILNE EDWARDS
作者： K S Mohamed , A D Diwan
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摘要: The origin and formation of the spennatozoa spermatophore in penaeid prawn Penaeus indicus has been described. Spermatogenesis takes place lumen testicular acini which have a peripheral germinal zone. involves progressive reduction cytoplasm to produce spherical sperm having an electron dense cap region containing acrosomal complex from whidi extends single spike. Histochemical studies revealed that spermatozoa had remarkable abundance polysaccharid es basic proteins such as arginine lysine, but was poor lipids. Spermatophore took inside vas-deferens with aid seoetory epithelial cells lining ducts. mid responsible for deposition spenn matrix, layer I wing, while distal deferens secreted outer bounding Qayer II). terminal ampoule served mould into its characteristic oval shape forceful ejaculation (luring copulation. complete electroeiaculated ana struaural morphology chemical composition acelluar layers studied.
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