About: Ultrastructural aspects of spermatogenesis, testes, and vas deferens in the parthenogenetic tapeworm Atractolytocestus huronensis Anthony, 1958 (Cestoda: Caryophyllidea), a carp parasite from Slovakia     Goto   Sponge   NotDistinct   Permalink

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  • Spermatogenesis, testes, and vas deferens in the parthenogenetic monozoic tapeworm Atractolytocestus huronensis Anthony, 1958 (Cestoda: Caryophyllidea) from Slovakia, parasitizing the carp Cyprinus carpio L., have been investigated by means of transmission electron microscopy for the first time. The present results show that helminths with parthenogenetic and normal reproduction may share some common spermatology features, e.g., dense cytoplasm of the peripherally localized spermatogonia or a rosette type of spermatogenesis. In contrast to tapeworms with normal reproduction, the most prominent ultrastructural characteristic of the spermatocytes of A. huronensis is fragmentation of their nuclei. This clear feature of cell degeneration might be a consequence of the aberrant first meiotic division. Peripheral cortical microtubules and a single centriole, indicators of the ongoing spermiogenesis, were observed only very rarely in the early spermatids.
  • Spermatogenesis, testes, and vas deferens in the parthenogenetic monozoic tapeworm Atractolytocestus huronensis Anthony, 1958 (Cestoda: Caryophyllidea) from Slovakia, parasitizing the carp Cyprinus carpio L., have been investigated by means of transmission electron microscopy for the first time. The present results show that helminths with parthenogenetic and normal reproduction may share some common spermatology features, e.g., dense cytoplasm of the peripherally localized spermatogonia or a rosette type of spermatogenesis. In contrast to tapeworms with normal reproduction, the most prominent ultrastructural characteristic of the spermatocytes of A. huronensis is fragmentation of their nuclei. This clear feature of cell degeneration might be a consequence of the aberrant first meiotic division. Peripheral cortical microtubules and a single centriole, indicators of the ongoing spermiogenesis, were observed only very rarely in the early spermatids. (en)
Title
  • Ultrastructural aspects of spermatogenesis, testes, and vas deferens in the parthenogenetic tapeworm Atractolytocestus huronensis Anthony, 1958 (Cestoda: Caryophyllidea), a carp parasite from Slovakia
  • Ultrastructural aspects of spermatogenesis, testes, and vas deferens in the parthenogenetic tapeworm Atractolytocestus huronensis Anthony, 1958 (Cestoda: Caryophyllidea), a carp parasite from Slovakia (en)
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  • Ultrastructural aspects of spermatogenesis, testes, and vas deferens in the parthenogenetic tapeworm Atractolytocestus huronensis Anthony, 1958 (Cestoda: Caryophyllidea), a carp parasite from Slovakia
  • Ultrastructural aspects of spermatogenesis, testes, and vas deferens in the parthenogenetic tapeworm Atractolytocestus huronensis Anthony, 1958 (Cestoda: Caryophyllidea), a carp parasite from Slovakia (en)
skos:notation
  • RIV/60077344:_____/11:00364835!RIV12-AV0-60077344
http://linked.open...avai/riv/aktivita
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  • Z(AV0Z60220518)
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  • 1
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  • 236686
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  • RIV/60077344:_____/11:00364835
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  • GLARIDACRIS-CATOSTOMI; SYNAPTONEMAL COMPLEX; REPRODUCTIVE DUCTS; COMMON CARP; SPERMATOZOA; PLATYHELMINTHES; VITELLOGENESIS; EVOLUTION; TRIPLOIDY; CESTOIDEA (en)
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  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [CD5CC07AE076]
http://linked.open...i/riv/nazevZdroje
  • Parasitology Research
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http://linked.open...ichTvurcuVysledku
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  • 108
http://linked.open...iv/tvurceVysledku
  • Bruňanská, M.
  • Nebesářová, Jana
  • Oros, M.
http://linked.open...ain/vavai/riv/wos
  • 000286494800006
http://linked.open...n/vavai/riv/zamer
issn
  • 0932-0113
number of pages
http://bibframe.org/vocab/doi
  • 10.1007/s00436-010-2038-0
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