| Mechanical functions of setae from the mouth apparatus of seven species of decapod crustaceans. | |
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MedLine Citation:
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PMID: 15052599 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The mouthpart setae of seven species of decapods were examined with macro-video recordings and scanning electron microscopy. The general mechanical (nonsensory) functions of the different mouthparts are described and an account of their setation is given. This offers the possibility to determine the mechanical functions of the different types of setae. Pappose setae do not participate in food handling but in general make setal barriers. Plumose setae likewise do not contact food objects but assist in current generation. Papposerrate setae are rare but they were seen to assist in pushing food particles into the mouth. Serrulate setae are very common and mainly participate in gentle food handling and grooming. Serrate setae are used for more rough food manipulation and grooming. The roughest shredding, tearing, and manipulation of prey items are handled by the cuspidate setae. Simple setae seem to be divided into two populations with very different functions. On the maxillipeds of Panulirus argus they are used for shredding, tearing, and holding the food objects, but on the basis of maxilla 2 of three other species they appear to have very little mechanical influence and only when handling small prey items. The functional scheme seems to be consistent within the Decapoda. |
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Authors:
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Anders Garm |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of morphology Volume: 260 ISSN: 0362-2525 ISO Abbreviation: J. Morphol. Publication Date: 2004 Apr |
Date Detail:
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Created Date: 2004-03-30 Completed Date: 2004-11-23 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 0406125 Medline TA: J Morphol Country: United States |
Other Details:
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Languages: eng Pagination: 85-100 Citation Subset: IM |
Copyright Information:
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Copyright 2004 Wiley-Liss, Inc. |
Affiliation:
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Department of Zoomorphology, Zoological Institute, University of Copenhagen, 2100 CopenhagenØ, Denmark. algarm@zi.ku.dk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Brachyura / cytology, physiology Chemoreceptor Cells / physiology, ultrastructure Decapoda (Crustacea) / cytology*, physiology Feeding Behavior / physiology* Female Hair / physiology, ultrastructure Male Mandible / physiology, ultrastructure Mastication / physiology* Maxilla / physiology, ultrastructure Mechanoreceptors / physiology, ultrastructure Microscopy, Electron, Scanning Mouth / physiology, ultrastructure* Palinuridae / cytology, physiology Species Specificity Videotape Recording |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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