Article (Scientific journals)
Branchial chamber tissues in two caridean shrimps: the epibenthic Palaemon adspersus and the deep-sea hydrothermal Rimicaris exoculata
Martinez, A. S.; Charmantier, G.; Compère, Philippe et al.
2005In Tissue and Cell, 37 (2), p. 153-165
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Keywords :
osmoregulation; ionocyte; gills; Na+, K+-ATPase; Palaemon; Rimicaris
Abstract :
[en] The structure of the epithelia of the branchial chamber organs (gills, branchiostegites, epipodites) and the localization of the Na2+,K2+-ATPase were investigated in two caridean shrimps, the epibenthic Palaemon adspersus and the deep-sea hydrothermal Rimicaris exoculata. The general organization of the phyllobranchiate gills, branchiostegites and epipodites is similar in P. adspersus and in R. exoculata. The gill filaments are formed by a single axial epithelium made of H-shaped cells with thin lateral expansions and a basal lamina limiting hemolymph lacunae. In P. adspersus, numerous ionocytes are present in the epipodites and in the inner-side of the branchiostegites; immunofluorescence reveals their high content in Na+,K+-ATPase. In R. exoculata, typical ionocytes displaying a strong Na+,K+-ATPase specific fluorescence are observed in the epipodites only. While the epipodites and the branchiostegites appear as the main site of osmoregulation in P. adspersus, only the epipodites might be involved in ion exchanges in R. exoculata. In both species, the gill filaments are mainly devoted to respiration. (c) 2005 Elsevier Ltd. All rights reserved.
Disciplines :
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Martinez, A. S.
Charmantier, G.
Compère, Philippe ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Département des sciences et gestion de l'environnement
Charmantier-Daures, M.
Language :
English
Title :
Branchial chamber tissues in two caridean shrimps: the epibenthic Palaemon adspersus and the deep-sea hydrothermal Rimicaris exoculata
Publication date :
April 2005
Journal title :
Tissue and Cell
ISSN :
0040-8166
Publisher :
Churchill Livingstone, Edinburgh, United Kingdom
Volume :
37
Issue :
2
Pages :
153-165
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 24 November 2010

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