The coelom and the origin of the annelid body plan

DC FieldValueLanguage
dc.contributor.authorRieger, RM
dc.contributor.authorPurschke, G
dc.date.accessioned2021-12-23T16:11:59Z-
dc.date.available2021-12-23T16:11:59Z-
dc.date.issued2005
dc.identifier.issn00188158
dc.identifier.urihttps://osnascholar.ub.uni-osnabrueck.de/handle/unios/9985-
dc.descriptionSymposium on Morphology, Molecules, Evolution and Phylogeny in Polychaeta and Related Taxa, Osnabruck, GERMANY, SEP, 2002
dc.description.abstractThe biphasic life cycle in annelids is characterized by two completely different types of organisation, i.e. the acoelomate/pseudocoelomate larva and the coelomate adult. Based on this observation the recent literature on the different assumptions on the organisation of the bilaterian stem species with special emphasis on the evolution of the annelid body plan is reviewed. The structure of the coelomic lining ranges between a simple myoepithelium composed of epithelio-muscle cells and a non-muscular peritoneum that covers the body wall muscles. The direction of the evolution of these linings is discussed with respect to coelomogenesis. As the coelom originates from mesodermal cell bands, different assumption on the acoelomate condition in Bilateria can be substantiated. The origin of segmentation in annelids is explained by current hypothesis. Although no final decision can be made concerning the origin of the annelid body plan and the organisation of the bilaterian stem species, this paper elaborates those questions that need to be resolved to unravel the relation between the different body plans.
dc.language.isoen
dc.publisherSPRINGER
dc.relation.ispartofHYDROBIOLOGIA
dc.subjectacoclomate
dc.subjectAnnelida
dc.subjectBilateria
dc.subjectbody cavity
dc.subjectCELLS
dc.subjectcoelom
dc.subjectEVOLUTION
dc.subjectMarine & Freshwater Biology
dc.subjectMUSCLE DEVELOPMENT
dc.subjectmyoepithelium
dc.subjectORGANIZATION
dc.subjectperitoneum
dc.subjectPolychaeta
dc.subjectpseudocoelomate
dc.subjectSYSTEMS
dc.subjectULTRASTRUCTURE
dc.titleThe coelom and the origin of the annelid body plan
dc.typeconference paper
dc.identifier.doi10.1007/s10750-004-4381-6
dc.identifier.isiISI:000230589800009
dc.description.volume535
dc.description.startpage127
dc.description.endpage137
dc.contributor.orcid0000-0002-2572-3390
dc.contributor.researcheridAAU-9660-2021
dc.identifier.eissn15735117
dc.publisher.placeVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
dcterms.isPartOf.abbreviationHydrobiologia
crisitem.author.deptFB 05 - Biologie/Chemie-
crisitem.author.deptidfb05-
crisitem.author.orcid0000-0002-2572-3390-
crisitem.author.parentorgUniversität Osnabrück-
crisitem.author.netidPuGu978-
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