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Title: Ultrastructure of the spermatozoon of the digenean Lecithocladium excisum (Rudolphi, 1819) (Hemiuroidea: Hemiuridae), a parasite of marine teleosts in Senegal
Author: Ndiaye, Papa Ibnou
Diagne, Papa Mbagnick
Sène, Aminata
Bakhoum, Abdoulaye Jacque Sacodou
Miquel Colomé, Jordi
Keywords: Espermatozoides
Malalties dels peixos
Ultraestructura (Biologia)
Fish diseases
Ultrastructure (Biology)
Issue Date: Sep-2012
Publisher: The Academy of Sciences of the Czech Republic
Abstract: The present study describes the ultrastructure of the mature spermatozoon of Lecithocladium excisum (Rudolphi, 1819) (Digenea: Hemiuroidea: Hemiuridae) from the stomach of the marine teleost Scomber japonicus Houttuyn (Scombridae) captured in the Atlantic Ocean, off Dakar (Senegal). The ultrastructural organization of the spermatozoon of L. excisum follows the general model described in most digeneans. It presents two axonemes of the 9+'1' pattern of the Trepaxonemata, nucleus, mitochondrion and parallel cortical microtubules, among other characters. However, some particularities of the spermatozoon of L. excisum are (i) the presence of a membranous ornamentation not associated with cortical microtubules in its anterior extremity, (ii) the presence of a very reduced number of cortical microtubules located only in the ventral side of the spermatozoon and (iii) the absence of several structures described in most digeneans such as spine-like bodies and cytoplasmic expansions.
Note: Reproducció del document publicat a:
It is part of: Folia Parasitologica, 2012, vol. 59, num. 3, p. 173-178
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ISSN: 0015-5683
Appears in Collections:Articles publicats en revistes (Institut de Recerca de la Biodiversitat (IRBio))
Articles publicats en revistes (Biologia, Sanitat i Medi Ambient)

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