Morphometry, frequency and ultrastructure of male germ cells in morphotypes of the freshwater prawn Macrobrachium amazonicum (Decapoda: Palaemonidae)

作者: Gicelle M.F. Silva , Yanne A. Mendes , Ivana K.S. Viana , Liziane A.B. Gonçalves , Renata S. Oliveira

DOI: 10.1016/J.JCZ.2018.11.002

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摘要: Abstract Males of the freshwater prawn species, Macrobrachium amazonicum, have been staged histologically into morphotypes, Translucent claw (TC), Cinnamon (CC) and Green (GC). However, information on reproductive system anatomy spermatogenesis among morphotypes is scarce. Our aim was to describe frequency spermatogenic cells, morphometry seminiferous tubules spermiogenesis establish any differences morphotypes. Specimens were captured sexed. Testes dissected, processed, analyzed using light, transmission, scanning electron microscopy. Macroscopically, testes symmetrical, elongated, translucid, with long vasa deferentia ending in ampoules. Histologically, exhibited germinal epithelium containing male germ cells different stages development supporting cells. The diameter largest (P

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