Primer registro e histología básica del anfípodo terrestre Talitroides topitotum (Amphipoda: Talitridae), introducido en las zonas montañosas de Heredia, Costa Rica
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| Autoři: | , |
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| Médium: | artículo original |
| Stav: | Versión publicada |
| Datum vydání: | 2013 |
| Popis: | This study documents for the first time the introduction of the terrestrial amphipod, Talitroides topitotum (Talitridae) to mountain regions of San Rafael and Barva, Heredia, Costa Rica, with predominance of juveniles and adult females with and without eggs. The species comes from Asia and could have been introduced associated with exotic plants. Basic aspects of histology are described, including the cellular structure of the main organs: heart, intestine, hepatopancreas, ovary, nerve cord, gill and oostegite. Adult females present massive formations of spongy connective tissue surrounding the digestive system and ovaries; oocytes are observed in different stages of vitellogenesis, producing few large oocytes. KEY WORDSCrustacea, Amphipoda, Talitridae, Talitroides topitotum, histology |
| Země: | Portal de Revistas UNED |
| Instituce: | Universidad Estatal a Distancia |
| Repositorio: | Portal de Revistas UNED |
| Jazyk: | Español |
| OAI Identifier: | oai:revistas.investiga.uned.ac.cr:article/294 |
| On-line přístup: | https://revistas.uned.ac.cr/index.php/cuadernos/article/view/294 |