File:Echinopsolus (10.11646-zootaxa.3841.4.7) Figure 5.png

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English: FIGURE 5. Schematic reconstruction of sperm ultrastructure of Echinopsolus splendidus. a. Longitudinal section of sperm head with acrosomal complex, diplosome with satellite complex and cylindrical mid-piece with mitochondrial ring and mitochondrial cylinder wraping basis of flagellar sperm-tail. b–g. Cross sections. b. Rim of the anterior nuclear depression with embedded acrosomal vesicle. c. Periacrosomal mass. d. Electron dense nucleus with small electron light "vacuole". e. Distal centriole (9 x 3 + 0 tubular arrangement) with satellite complex and subnuclear mitochondrial ring. f. Jacket-shaped mitochondrial derivative encircling flagellar tail-base. g. Flagellar tail. a—acrosomal vesicle; cf—centriolar fossa; cm—cell membrane; dc—distal centriole; f—flagellum; mc—mitochondrial cylinder; mr—mitochondrial ring; n—nucleus; p—periacrosomal material; pc—proximal centriole with fibrous arm; sc—satellite complex; v—nuclear vacuole; x—extracellular space within the mitochondrial cylinder.
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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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current17:52, 20 July 2023Thumbnail for version as of 17:52, 20 July 20231,421 × 2,551 (689 KB)Christian Ferrer (talk | contribs){{Information | description = {{en|1=FIGURE 5. Schematic reconstruction of sperm ultrastructure of ''Echinopsolus splendidus''. a. Longitudinal section of sperm head with acrosomal complex, diplosome with satellite complex and cylindrical mid-piece with mitochondrial ring and mitochondrial cylinder wraping basis of flagellar sperm-tail. b–g. Cross sections. b. Rim of the anterior nuclear depression with embedded acrosomal vesicle. c. Periacrosomal mass. d. Electron dense nucleus with small e...

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