File:Parasite140068-fig2 Spermatozoon of Lecithochirium microstomum (Digenea) Figs 7-12.tif

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English: Ultrastructural characters of the spermatozoa in Digeneans of the genus Lecithochirium. Figs 7-18 from article.
  • 7–12. Cross-sections of Region II of the spermatozoon of Lecithochirium microstomum.

Scale bars = 0.2 μm.

    • (7–9). Two axonemes and cortical microtubules.
    • (10). Two axonemes, cortical microtubules and the nucleus.
    • (11). Two axonemes, cortical microtubules, the nucleus and the mitochondrion.
    • (12). One axoneme completely formed, nucleus, mitochondrion, cortical microtubules and the disorganization of the first axoneme.

Ax2 = second axoneme, Cm = cortical microtubules, Mt = mitochondrion, N = nucleus, Pae1 = posterior extremity of the first axoneme.

  • 13–14. Cross-section of Region III of the spermatozoon of Lecithochirium microstomum.

Scale bar = 0.2 μm.

    • (13). One axoneme, nucleus, mitochondrion and cortical microtubules.
    • (14). One axoneme, nucleus and cortical microtubules.

Ax2 = second axoneme, Cm = cortical microtubules, Mt = mitochondrion, N = nucleus.

  • 15–18. Cross-sections of Region IV of the spermatozoon of Lecithochirium microstomum.

Scale bars = 0.2 μm.

    • (15). The second axoneme and nucleus.
    • (16). Disorganization of the second axoneme and nucleus.
    • (17). The nucleus surrounded by the doublets of the disorganized axoneme 2.
    • (18). Cross-section in the posterior extremity of the spermatozoon showing only the posterior extremity of the second axoneme.
N = nucleus, Pae 2 = posterior extremity of the second axoneme.
Date
Source Ndiaye, P. I., Quilichini, Y., Sène, A., Tkach, V. V., Bâ, C. T. & Marchand, B. 2014: Ultrastructural characters of the spermatozoa in Digeneans of the genus Lecithochirium Lühe, 1901 (Digenea, Hemiuridae), parasites of fishes: comparative study of L. microstomum and L. musculus. Parasite, 21, 49. doi:10.1051/parasite/2014050
Author Papa Ibnou Ndiaye, Yann Quilichini, Aminata Sène, Vasyl V. Tkach, Cheikh Tidiane Bâ and Bernard Marchand

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This file was published in the scientific journal Parasite. Their website states that all content of the journal including and after 2013 is published under the Creative Commons Attribution 4.0 license.

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