Ultrastructural study of the spermatozoon of Hemiurus appendiculatus (Digenea, Hemiuroidea, Hemiuridae), a parasite of Boops boops (Pisces, Teleostei, Sparidae) off Senegal - Dione, A.; Quilichini, Y.; Bâ, C. T.; Diagne, P. M.; Ndiaye, P. I.; Marchand, B. (Tissue and Cell, 2016)