Ontogeny of the thymus in an antarctic teleost, Harpagifer sp. (Notothenioidei: Perciformes)
The development of the thymus was examined in different stages of Harpagifer sp. from Signy Island (South Orkney Islands; 60°43′S, 45°38′W). The thymus was typical, both in position and structural development, of that observed in warmer-water teleosts. The infiltration of the thymic epithelia was no...
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Online Access: | http://nora.nerc.ac.uk/id/eprint/521290/ https://doi.org/10.1007/BF00261035 |
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ftnerc:oai:nora.nerc.ac.uk:521290 2023-05-15T13:49:35+02:00 Ontogeny of the thymus in an antarctic teleost, Harpagifer sp. (Notothenioidei: Perciformes) O'Neill, J. G. 1989-08 http://nora.nerc.ac.uk/id/eprint/521290/ https://doi.org/10.1007/BF00261035 unknown Springer O'Neill, J. G. 1989 Ontogeny of the thymus in an antarctic teleost, Harpagifer sp. (Notothenioidei: Perciformes). Polar Biology, 9 (8). 511-516. https://doi.org/10.1007/BF00261035 <https://doi.org/10.1007/BF00261035> Biology and Microbiology Publication - Article PeerReviewed 1989 ftnerc https://doi.org/10.1007/BF00261035 2023-02-04T19:47:13Z The development of the thymus was examined in different stages of Harpagifer sp. from Signy Island (South Orkney Islands; 60°43′S, 45°38′W). The thymus was typical, both in position and structural development, of that observed in warmer-water teleosts. The infiltration of the thymic epithelia was not observed until 4 weeks post-hatch. Full development of the lymphoid organs was not achieved until the juvenile stage. Although an increased infiltration of the thymus, by sub-epithelial connective tissues and epithelial mucous cells, occurred in the juvenile and adult stages, there was no evidence of an advanced stage of thymic regression or involution in the adult Harpagifer. Thus a suppressive influence of the low temperature environment, on the onset and degree of thymic development and involution, was indicated in this species. Article in Journal/Newspaper Antarc* Antarctic Polar Biology Signy Island South Orkney Islands Natural Environment Research Council: NERC Open Research Archive Antarctic South Orkney Islands ENVELOPE(-45.500,-45.500,-60.583,-60.583) Signy Island ENVELOPE(-45.595,-45.595,-60.708,-60.708) Polar Biology 9 8 511 516 |
institution |
Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
unknown |
topic |
Biology and Microbiology |
spellingShingle |
Biology and Microbiology O'Neill, J. G. Ontogeny of the thymus in an antarctic teleost, Harpagifer sp. (Notothenioidei: Perciformes) |
topic_facet |
Biology and Microbiology |
description |
The development of the thymus was examined in different stages of Harpagifer sp. from Signy Island (South Orkney Islands; 60°43′S, 45°38′W). The thymus was typical, both in position and structural development, of that observed in warmer-water teleosts. The infiltration of the thymic epithelia was not observed until 4 weeks post-hatch. Full development of the lymphoid organs was not achieved until the juvenile stage. Although an increased infiltration of the thymus, by sub-epithelial connective tissues and epithelial mucous cells, occurred in the juvenile and adult stages, there was no evidence of an advanced stage of thymic regression or involution in the adult Harpagifer. Thus a suppressive influence of the low temperature environment, on the onset and degree of thymic development and involution, was indicated in this species. |
format |
Article in Journal/Newspaper |
author |
O'Neill, J. G. |
author_facet |
O'Neill, J. G. |
author_sort |
O'Neill, J. G. |
title |
Ontogeny of the thymus in an antarctic teleost, Harpagifer sp. (Notothenioidei: Perciformes) |
title_short |
Ontogeny of the thymus in an antarctic teleost, Harpagifer sp. (Notothenioidei: Perciformes) |
title_full |
Ontogeny of the thymus in an antarctic teleost, Harpagifer sp. (Notothenioidei: Perciformes) |
title_fullStr |
Ontogeny of the thymus in an antarctic teleost, Harpagifer sp. (Notothenioidei: Perciformes) |
title_full_unstemmed |
Ontogeny of the thymus in an antarctic teleost, Harpagifer sp. (Notothenioidei: Perciformes) |
title_sort |
ontogeny of the thymus in an antarctic teleost, harpagifer sp. (notothenioidei: perciformes) |
publisher |
Springer |
publishDate |
1989 |
url |
http://nora.nerc.ac.uk/id/eprint/521290/ https://doi.org/10.1007/BF00261035 |
long_lat |
ENVELOPE(-45.500,-45.500,-60.583,-60.583) ENVELOPE(-45.595,-45.595,-60.708,-60.708) |
geographic |
Antarctic South Orkney Islands Signy Island |
geographic_facet |
Antarctic South Orkney Islands Signy Island |
genre |
Antarc* Antarctic Polar Biology Signy Island South Orkney Islands |
genre_facet |
Antarc* Antarctic Polar Biology Signy Island South Orkney Islands |
op_relation |
O'Neill, J. G. 1989 Ontogeny of the thymus in an antarctic teleost, Harpagifer sp. (Notothenioidei: Perciformes). Polar Biology, 9 (8). 511-516. https://doi.org/10.1007/BF00261035 <https://doi.org/10.1007/BF00261035> |
op_doi |
https://doi.org/10.1007/BF00261035 |
container_title |
Polar Biology |
container_volume |
9 |
container_issue |
8 |
container_start_page |
511 |
op_container_end_page |
516 |
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1766251823901966336 |