FIGURE 4 in The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications
FIGURE 4. Ultrastructure (TEM) of spermatozeugmata and sperm cells of Echinopsolus spp. a–d. E. splendidus. a. Overview of ripe sperm cells and spermiogenesis-stages. b. Different regions of sperm cells in oblique cutting planes. c. Nuclear apex with cup-shaped indentation containing acrosomal compl...
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ftzenodo:oai:zenodo.org:4928472 2023-06-06T11:47:13+02:00 FIGURE 4 in The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications Bohn, Jens Michael 2014-07-29 https://zenodo.org/record/4928472 https://doi.org/10.5281/zenodo.4928472 unknown doi:10.11646/zootaxa.3841.4.7 lsid:urn:lsid:plazi.org:pub:FFB7FF93F34FB317FFF3FFACFF942B76 http://publication.plazi.org/id/FFB7FF93F34FB317FFF3FFACFF942B76 https://zenodo.org/record/4928464 doi:10.5281/zenodo.4928087 http://treatment.plazi.org/id/038E87EBF344B31CFF64FD4BFC6B2DD8 doi:10.5281/zenodo.4928089 http://treatment.plazi.org/id/038E87EBF344B31BFF64F952FD3A2A6E doi:10.5281/zenodo.4928471 https://zenodo.org/communities/biosyslit https://zenodo.org/record/4928472 https://doi.org/10.5281/zenodo.4928472 oai:zenodo.org:4928472 info:eu-repo/semantics/openAccess Zootaxa 3841(4) 573-591 Biodiversity Taxonomy Animalia Echinodermata Holothuroidea Dendrochirotida Psolidae Echinopsolus info:eu-repo/semantics/other image-figure 2014 ftzenodo https://doi.org/10.5281/zenodo.492847210.11646/zootaxa.3841.4.710.5281/zenodo.492808710.5281/zenodo.492808910.5281/zenodo.4928471 2023-04-13T23:21:54Z FIGURE 4. Ultrastructure (TEM) of spermatozeugmata and sperm cells of Echinopsolus spp. a–d. E. splendidus. a. Overview of ripe sperm cells and spermiogenesis-stages. b. Different regions of sperm cells in oblique cutting planes. c. Nuclear apex with cup-shaped indentation containing acrosomal complex. d. Cross section through mid-piece at level of centriolar satellite complex. e. E. acanthocola, longitudinal sections through sperm-cell head and mid-piece. f. E. koehleri longitudinal section through sperm-cell head and mid-piece. g–i. E. parvipes. g. Close up of nuclear apex with acrosomal vesicle anchored by actomere and subacrosomal plate (arrowheads) in periachrosomal material. h. Close up of the mid-piece region in axial section plane. i–k. Cross sections through mid-pieces at level of centriolar satellite complex. i. E. parvipes. j. E. charcoti. k. E. koehleri (premature). a—acrosomal vesicle; dc—distal centriole; f—flagellum; m—mid-piece; n—nucleus; p—periacrosomal material; pc—proximal centriole; s—spermiogenesis-stages; sc—centriolar satellite complex. Published as part of Bohn, Jens Michael, 2014, The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications, pp. 573-591 in Zootaxa 3841 (4) on page 581, DOI:10.11646/zootaxa.3841.4.7, http://zenodo.org/record/4928464 Other/Unknown Material Antarc* Antarctic Zenodo Antarctic The Antarctic |
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collection |
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op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Echinodermata Holothuroidea Dendrochirotida Psolidae Echinopsolus |
spellingShingle |
Biodiversity Taxonomy Animalia Echinodermata Holothuroidea Dendrochirotida Psolidae Echinopsolus Bohn, Jens Michael FIGURE 4 in The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications |
topic_facet |
Biodiversity Taxonomy Animalia Echinodermata Holothuroidea Dendrochirotida Psolidae Echinopsolus |
description |
FIGURE 4. Ultrastructure (TEM) of spermatozeugmata and sperm cells of Echinopsolus spp. a–d. E. splendidus. a. Overview of ripe sperm cells and spermiogenesis-stages. b. Different regions of sperm cells in oblique cutting planes. c. Nuclear apex with cup-shaped indentation containing acrosomal complex. d. Cross section through mid-piece at level of centriolar satellite complex. e. E. acanthocola, longitudinal sections through sperm-cell head and mid-piece. f. E. koehleri longitudinal section through sperm-cell head and mid-piece. g–i. E. parvipes. g. Close up of nuclear apex with acrosomal vesicle anchored by actomere and subacrosomal plate (arrowheads) in periachrosomal material. h. Close up of the mid-piece region in axial section plane. i–k. Cross sections through mid-pieces at level of centriolar satellite complex. i. E. parvipes. j. E. charcoti. k. E. koehleri (premature). a—acrosomal vesicle; dc—distal centriole; f—flagellum; m—mid-piece; n—nucleus; p—periacrosomal material; pc—proximal centriole; s—spermiogenesis-stages; sc—centriolar satellite complex. Published as part of Bohn, Jens Michael, 2014, The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications, pp. 573-591 in Zootaxa 3841 (4) on page 581, DOI:10.11646/zootaxa.3841.4.7, http://zenodo.org/record/4928464 |
format |
Other/Unknown Material |
author |
Bohn, Jens Michael |
author_facet |
Bohn, Jens Michael |
author_sort |
Bohn, Jens Michael |
title |
FIGURE 4 in The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications |
title_short |
FIGURE 4 in The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications |
title_full |
FIGURE 4 in The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications |
title_fullStr |
FIGURE 4 in The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications |
title_full_unstemmed |
FIGURE 4 in The Antarctic holothurian genus Echinopsolus Gutt, 1990 (Dendrochirotida, Cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications |
title_sort |
figure 4 in the antarctic holothurian genus echinopsolus gutt, 1990 (dendrochirotida, cucumariidae): brood pouches, spermatozoa, spermatozeugmata and taxonomic implications |
publishDate |
2014 |
url |
https://zenodo.org/record/4928472 https://doi.org/10.5281/zenodo.4928472 |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Zootaxa 3841(4) 573-591 |
op_relation |
doi:10.11646/zootaxa.3841.4.7 lsid:urn:lsid:plazi.org:pub:FFB7FF93F34FB317FFF3FFACFF942B76 http://publication.plazi.org/id/FFB7FF93F34FB317FFF3FFACFF942B76 https://zenodo.org/record/4928464 doi:10.5281/zenodo.4928087 http://treatment.plazi.org/id/038E87EBF344B31CFF64FD4BFC6B2DD8 doi:10.5281/zenodo.4928089 http://treatment.plazi.org/id/038E87EBF344B31BFF64F952FD3A2A6E doi:10.5281/zenodo.4928471 https://zenodo.org/communities/biosyslit https://zenodo.org/record/4928472 https://doi.org/10.5281/zenodo.4928472 oai:zenodo.org:4928472 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.492847210.11646/zootaxa.3841.4.710.5281/zenodo.492808710.5281/zenodo.492808910.5281/zenodo.4928471 |
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