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Title of Journal: Parasitol Res

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Abbravation: Parasitology Research

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Springer-Verlag

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DOI

10.1007/bf02510254

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1432-1955

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Ultrastructure of the spermatozoon of Emphasis Ty

Authors: Aïssatou Bâ Cheikh Tidiane Bâ Yann Quilichini Thérèse Dieng Bernard Marchand
Publish Date: 2010/10/28
Volume: 108, Issue: 4, Pages: 831-836
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Abstract

The mature Taeniarhynchus saginatus spermatozoon exhibits an apical cone of electrondense material and one helicoidal crestlike body roughly 50 nm thick The axoneme is of the 9 + “1” Trepaxonemata pattern It is surrounded by a periaxonemal sheath of electrondense material The cytoplasm is electron lucent and divided into compartments by intracytoplasmic walls of electrondense material in regions III and IV The nucleus is an electrondense cord 60–90 nm thick coiled in a spiral around the axoneme It reaches the posterior extremity of the gamete where the axoneme is disorganized and is accompanied on all its posterior length by the nucleus To our knowledge such a posterior extremity has never been described before in a cyclophyllidean cestode

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