File:Echinopsolus (10.11646-zootaxa.3841.4.7) Figure 3.png

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English: FIGURE 3. Histology of spermatozeugmata and sperm cells of Echinopsolus spp. a–c. E. acutus. a. Semithin cross section in centre of seminiferous tubule. b. Sperm bundles fill central space of seminiferous tubule. c. Longitudinal section through spermatozeugma showing sperm heads, mid-pieces and flagella. d–e. E. splendidus. d. Mass of sperm bundles. e. Longitudinal section through spermatozeugma. f–g. E. mollis. f. Mass of sperm bundles. g. Longitudinal section through spermatozeugma with poor structure preservation (alcohol conservation, no aldehyde fixation). f—flagellum; m—mid-piece; n—nucleus.
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Source Bohn, J.M., Heß, M. 2014. The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications. Zootaxa 3841(4): 573–591. https://doi.org/10.11646/zootaxa.3841.4.7
Author Bohn & Heß (2014)
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current17:47, 20 July 2023Thumbnail for version as of 17:47, 20 July 20231,980 × 1,643 (3.72 MB)Christian Ferrer (talk | contribs){{Information | description = {{en|1=FIGURE 3. Histology of spermatozeugmata and sperm cells of ''Echinopsolus'' spp. a–c. ''E. acutus''. a. Semithin cross section in centre of seminiferous tubule. b. Sperm bundles fill central space of seminiferous tubule. c. Longitudinal section through spermatozeugma showing sperm heads, mid-pieces and flagella. d–e. ''E. splendidus''. d. Mass of sperm bundles. e. Longitudinal section through spermatozeugma. f–g. ''E. mollis''. f. Mass of sperm bundles. g...

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