| spermatological characteristics of elstia stossichianum (digenea, mesometridae) from the intestine of the cow bream (sarpa salpa) off dakar, senegal. | the current study was designed to increase the spermatological ultrastructural database on digenea, thus contributing to the future establishment of phylogenetic relationships within this group based on ultrastructural characteristics of both spermiogenesis and spermatozoa. spermiogenesis in elstia stossichianum begins with the formation of a differentiation zone containing two centrioles, two striated rootlets, a nucleus, several mitochondria and an intercentriolar body constituted by seven ele ... | 2013 | 23168130 |