Description of ten additional ossicles in the foregut of the freshwater crabs Sylviocarcinus pictus and Valdivia serrata (Decapoda: Trichodactylidae).

LIMA-GOMES, R. C.; LIMA, J. de F.; MAGALHÃES, C.

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Campo DC	Valor	Idioma
dc.contributor.author	LIMA-GOMES, R. C.	pt_BR
dc.contributor.author	LIMA, J. de F.	pt_BR
dc.contributor.author	MAGALHÃES, C.	pt_BR
dc.date.accessioned	2017-06-20T11:11:11Z	pt_BR
dc.date.available	2017-06-20T11:11:11Z	pt_BR
dc.date.created	2017-06-20	pt_BR
dc.date.issued	2017	pt_BR
dc.identifier.citation	Zoologia: An International Journal for Zoology, v. 34, p. 1-7, June, 2017.	pt_BR
dc.identifier.issn	1984-4689 (online)	pt_BR
dc.identifier.uri	http://www.alice.cnptia.embrapa.br/alice/handle/doc/1071133	pt_BR
dc.description	The morphology of stomach ossicles of decapod crustaceans provides valuable information on their phylogeny and biology. We herein described ten new ossicles in the foreguts of two trichodactylid crabs, Sylviocarcinus pictus (H. Milne-Edwards, 1853) and Valdivia serrata White, 1847, in addition to previously described 38 ossicles, which are also recognized and listed. Five specimens each of S. pictus and V. serrata were selected for morphological analysis of gastric ossicles. The stomachs were obtained after removing the carapace, and they were fixed in 10% formalin for 24 hours. After this procedure, the stomachs were immersed in a solution of 10% Potassium Hydroxide (KOH) and heated to 100 °C during 60 minutes for tissue maceration. At this point, the clean skeletons were colored by adding 1% Alizarin Red to the KOH solution in order to facilitate visualization of the internal structures such as the setae and ossicles. The ten new ossicles are: dorsomedial cardiac plate; dorsolateral cardiac plate; suprapectineal lateral ossicle; inferior cardiac valve; lateral mesopyloric ossicle; ampullary roof-medium portion ossicle; process of the ampullary roof-upper portion; lateral-inferior post-ampullary plate; pleuro-pyloric valve?s ossicle; and lateral pleuro-pyloric plate. Some ossicles are thin plates that together with the main ossicles assist in the structure and support of the stomach, which are similar in the two species studied herein. The current knowledge on gastric ossicles will be useful in establishing taxonomic characters, which can evaluate phylogenetic relationships among brachyuran crabs.	pt_BR
dc.language.iso	eng	eng
dc.rights	openAccess	eng
dc.subject	Morfologia	pt_BR
dc.subject	Anatomy	pt_BR
dc.subject	Crab	pt_BR
dc.subject	Crustacean	pt_BR
dc.subject	Morphology	pt_BR
dc.title	Description of ten additional ossicles in the foregut of the freshwater crabs Sylviocarcinus pictus and Valdivia serrata (Decapoda: Trichodactylidae).	pt_BR
dc.type	Artigo de periódico	pt_BR
dc.date.updated	2017-06-20T11:11:11Z	pt_BR
dc.subject.thesagro	Crustáceo	pt_BR
dc.subject.thesagro	Caranguejo	pt_BR
dc.subject.thesagro	Anatomia	pt_BR
riaa.ainfo.id	1071133	pt_BR
riaa.ainfo.lastupdate	2017-06-20	pt_BR
dc.contributor.institution	RENATA C. LIMA-GOMES, Pós-Graduanda em Biologia de Água Doce e Pesca Interior, Inpa; JO DE FARIAS LIMA, CPAF-AP; CÉLIO MAGALHÃES, Inpa.	pt_BR
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