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A study on the Gut contents of six Leathery Turtles Dermochelys Coriacea (Linnaeus) (Reptilia: Testudines: Dermochelyidae) from British waters and from the Netherlands Naturalis
Hartog, J.C. den; Nierop, M.M. van.
Microscopical investigations of the gut contents of six individuals of Dermochelys coriacea from southern England and the North Sea revealed the presence in all of these of numerous nematocysts, mainly scyphozoan. Only six species of Scyphozoa occur in British shallow waters and in the North Sea, viz., Pelagia noctiluca (Forskål), Chrysaora hysoscella (L.), Aurelia aurita (L.), Cyanea capillata (L.), C. lamarckii (L.) and Rhizostoma octopus (L.). For the purpose of comparison and identification an inventory was made of the cnidom of these six species (based on preserved material). Nematocysts of one or more of these species appeared to be present in each of the turtles, all six species being represented. One of the turtles in addition appeared to have...
Tipo: Article / Letter to the editor Palavras-chave: Scyphozoa; Leptomedusae; Siphonophora; Testudines; Dermochelys; Nemato- cysts; British Isles; Netherlands; Food; Digestive tract; Anatomy; Functional morphology.; 42.82.
Ano: 1984 URL: http://www.repository.naturalis.nl/record/317798
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Anatomical characterization of the digestive system of the pufferfish (Chilomycterus spinosus spinosus) Biological Sciences
Pereira, Thiago Scremin Boscolo; Arco, André Del; Hoffmann, Patrícia; Marques, Vanessa Belentani.
Descriptive studies of the fish digestive system are fundamental because they provide information on the biology of the species. Thus, the objective of this study was to morphologically describe the digestive system of the pufferfish, Chilomycterus spinosus spinosus. For this, adult specimens of pufferfish (n = 10) of both sexes were used. The animals were fixed with 10% aqueous formaldehyde solution, dissected, analyzed descriptively and photographed. The results demonstrate that the pufferfish has a morphologically modified digestive system, which is adapted to the defense behavior. This species presents a pouch-shaped diverticulum, that is called abdominal pouch, which allows the expansion of the celomatic cavity and the temporary storage of food....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anatomia comparative anatomy; Digestive tract; Marine teleost; Tetraodontiformes; Morphology..
Ano: 2019 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/44645
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Argentaffine Cells in the Digestive Tract of Hibernating and Non-hibernating in Chinese Fire-bellied Newt (Cynops orientalis) International Journal of Morphology
Xie,Zhaohui; Guo,Duanqiang; Lu,Chengkai; Li,Boying; Shan,Linna.
In order to further studying the relationship between the gastrointestinal endocrine cells and the hibernation of Chinese fire-bellied newt, histological techniques were used in this study to explore the distributed density and morphology of argentaffine cells in the digestive tract during hibernation and non-hibernation. The argentaffine cells could be observed throughout the digestive tract of Chinese fire-bellied newt during hibernation and non-hibernation and mainly distributed in the acinar epithelial cells, epithelial cells and intrinsic membrane. They had appeared in the shape of goblet, pyramid, ellipse, round, cone-shaped, spindle-shaped. The cytoplasm contains secretory granules at the basal regions with spherical nuclei in the basal regions....
Tipo: Journal article Palavras-chave: Cynops orientalis; Digestive tract; Argentaffine cells; Hibernation.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000400021
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Fungal flora of the digestive tract of Triatoma infestans (Hemiptera: Reduviidae) from Argentina Boletín de la Sociedad
Marti,G. A.; García,J. J.; Cazau,M. C.; López Lastra,C. C..
A survey of the fungal microbiota of the digestive tract of Triatoma infestans (Klug) (Hemiptera: Reduviidae) adults was carried out. Insects captured in the field from different provinces in Argentina, as well as individuals reared in artificial colonies, were used for dissection. Axenic cultures of the fungal species were identified and were deposited with mycological collections at La Plata , Argentina. A total of 33 fungal species, with the exception of three that were mycelia sterilia, belonging to 11 genera were identified. Thirty two species belonged to Ascomycota (Eurotiomycetes and Sordariomycetes) and one to Zygomycota (Zygomycetes). The genera with the greatest number of species were Penicillium (15), Aspergillus (5), and Cladosporium (2). Among...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Argentina; Digestive tract; Fungal microflora; Insect; Symbionts; Triatoma infestans.
Ano: 2007 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722007000200004
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Growth and gastrointestinal indices in Nile tilapia fed with different diets - doi: 10.4025/actascianimsci.v34i3.13327 Animal Sciences
Moreira, Ricardo Lafaiete; Universidade Federal do Ceará; Silveira, Lucas Pinheiro; Universidade Federal do Ceará; Teixeira, Erivânia Gomes; Universidade Federal do Ceará; Moreira, Antonio Glaydson Lima; Universidade Federal do Ceará; Moura, Plácido Soares de; Universidade Federal do Ceará; Farias, Wladimir Ronald Lobo; Universidade Federal do Ceará.
The adequate diet of Nile tilapia in their growth early stages is fundamental to the success of culture subsequent stages. The goal of the present work was to evaluate the Nile tilapia growth fed with different diets, and to morphometrically characterized the gastrointestinal tract of this species. The treatments consisted of three diets: (D1) natural food, (D2), commercial feed and (D3) commercial feed + natural food. In the qualitative phytoplankton analysis, there was greater representation of the genus Chlorella, while zooplankton community analysis revealed greater number of Brachionus rotifer. Growth and survival in D2 and D3 did not reveal differences (p > 0.05), while in D1, the results were significantly lower (p < 0.05). The...
Tipo: Pesquisa de campo; análise laboratorial Palavras-chave: Ciências Agrárias / Engenharia de Pesca Oreochromis; Diets; Natural food; Plankton; Digestive tract.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/13327
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Histology of the digestive tract of Satanoperca pappaterra (Osteichthyes, Cichlidae) - doi: 10.4025/actascibiolsci.v34i3.8956 Biological Sciences
Silva, Marlene Rodrigues da; Universidade Estadual de Maringá; Natali, Maria Raquel Marçal; Universidade Estadual de Maringá; Hahn, Norma Segatti; Universidade Estadual de Maringá.
the esophagus, stomach and intestine of Satanoperca pappaterra using histological techniques. The species presents detritivore-invertivore feeding habit and is widely distributed in Neotropical continental waters. The esophagus is short, the stomach is small with saccular form and the intestine is long. The histological sections were stained using hematoxylin/eosin and Periodic Acid Schiff. Throughout the digestive tract, the gastric wall is composed by four different tunicae: mucosa, submucosa, muscularis externa and serosa, besides distinct intrinsic innervation represented by the submucosal and myenteric ganglionated plexuses. Depending on the organ, several characteristics were peculiar such as the external muscle layer of the esophagus that permeates...
Palavras-chave: Freshwater fish; Cichlidae; Histological methods; Digestive tract.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/8956
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Influence of lupin and rapeseed meals on the integrity of digestive tract and organs in gilthead seabream (Sparus aurata L.) and goldfish (Carassius auratus L.) juveniles ArchiMer
Omnes, Marie-helene; Silva, Francisco; Moriceau, Jacques; Aguirre, P.; Kaushik, Sadasivam; Gatesoupe, F. J..
Two rearing trials were conducted to evaluate the effects of dietary lupin (LM) and rapeseed (RM) meals in gilthead seabream (Sparus aurata L.) and goldfish (Carassius auratus L.) juveniles. Each plant meal was incorporated at the rate of 200 g kg−1 in two distinct diets, which were compared with a fishmeal-based diet as control. After 1 month, the two plant diets did not influence the whole body growth, but the digestive systems were affected. The splenosomatic index was reduced with two plant meals in goldfish and with RM in seabream. The hepatosomatic index was only reduced in LM-fed seabream. Cellular characteristics were also affected. The largest liver cells were observed in RM-fed goldfish suggesting changes in metabolic function. The LM and RM...
Tipo: Text Palavras-chave: Digestive tract; Gilthead seabream; Goldfish; Histology; Lupin; Rapeseed.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00190/30107/28742.pdf
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Morphological and anatomical characterization of the digestive tract of Centropomus parallelus and Centropomus undecimalis - doi: 10.4025/actascibiolsci.v35i4.14352 Biological Sciences
Machado, Márcia Regina Fragoso; Universidade Nilton Lins; Souza, Helena de Oliveira; Universidade Federal do Rio de Janeiro; Souza, Valderes Lemos de; Fundação Oswaldo Cruz; Azevedo, Alexandre de; Universidade Federal do Rio de Janeiro; Goitein, Roberto; Instituto de Biociências da Univesidade Estadual Paulista (Unesp), Rio Claro – São Paulo; Nobre, André Dias; Universidade Nilton Lins.
Centropomus parallelus and Centropomus undecimalis are the most common species of Centropomidae in Brazil. Some authors attribute their failure to grow under in artificial conditions due to limited knowledge on the morphological and functional development of their digestive system and on nutrition requirements of both species. Current research characterizes histologically and histochemically the digestive tract of Centropomus parallelus and Centropomus undecimalis to provide a histophysiological assessment for studies related to their nutritional needs. In the esophagus, the mucous cells in the epithelium stained positively for PAS and AB. In the stomach, positive reactions to PAS and negative to AB respectively occurred on surface and mucous cells in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Digestive tract; Feeding habits; Histology; Centropomus.
Ano: 2013 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/14352
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Morphology and histology of P. argentinus (Crustacea, Decapoda, Caridea) digestive tract Biocell
Sousa,Liliana; Petriella,Ana María.
This work describes the morphology and histology of the P. argentinus digestive tract. The foregut comprises the mouth, oesophagus, and stomach and is lined by a simple cylindrical epithelium overlain by cuticle. There are tegumental glands in the oral region and in the first portion of the oesophagus and of the hindgut. The cardiac stomach is an oval dorsal sac in the cephalothorax and has no calcified structures. The pyloric stomach comprises an upper chamber and a lower gland filter. The filter consists of an outer row of elongated setae and an inner row of dorsally curved setae forming longitudinal channels 16-18µm wide. The midgut runs from the dorsal chamber of the pyloric stomach to the sixth abdominal somite without caeca. The hindgut runs from the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crustacea; Caridea; Morphology; Histology; Digestive tract.
Ano: 2006 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452006000200004
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Morphology and Vascularization of the Gastric Compartments in Three-Toed Sloth (Bradypus torquatus Illiger, 1811) International Journal of Morphology
Rezende,L. C; Monteiro,J. M; Carvalho,P; Ferreira,J. R; Miglino,M. A.
The macroscopic anatomy and vascularization of the stomach compartments of Bradypus torquatus were examined in five animals from the University of São Paulo College of Veterinary Medicine and Zootechny collection. The method included aqueous perfusion of the arterial network, colored latex injection, fixation in formaldehyde (10%) and preservation in Laskovisk solution. Dissections were performed under mesoscopic light and photo documentations were performed for description and data analysis. In these animals, the largest abdominal organ was the stomach, which internally presented the cardiac, fundic and prepyloric regions, subdivided in six compartments (cardiac right, middle and left; fundic; pre-pyloric I and II). The stomach was irrigated by the left...
Tipo: Journal article Palavras-chave: Digestive tract; Stomach; Celiac artery; Bradypodidae; Xenarthra.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000400035
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Radiographic anatomy aspects and gastrointestinal transit time in Podocnemis unifilis troschel, 1848 (Testudines, Podocnemididae) - doi: 10.4025/actascibiolsci.v32i4.5082 Biological Sciences
Santos, André Luiz Quagliatto; Universidade Federal de Uberlândia; Ferreira, Carlos Gomes; Universidade Federal de Uberlândia; Pinto, José Guilherme Souza; Fundação de Ensino Superior de Rio Verde; Lima, Cirilo Antônio Paula; Universidade Federal de Uberlândia; Vieira, Lucélia Gonçalves; Universidade Federal de Uberlândia; Brito, Fernando Moraes Machado; Universidade Federal de Uberlândia.
The present study analyzed the radiographic anatomy and determined the gastrointestinal transit time of Podocnemis unifilis. We used ten animals belonging to LAPAS from the Federal University of Uberlândia, Uberlândia, Minas Gerais State, Brazil. The animals were orally fed with a barium sulphate suspension at 10 mL kg-1 mixed with mineral oil, at a ratio of 70% of barium sulphate for 30% of mineral oil. Afterwards, the animals underwent radiography in a dorsum ventriloquoal position, with the X-ray device adjusted at 72 Kv and 200 mA, in time intervals to follow the permanency of contrast in the organism. Five minutes after the contrast was supplied, the stomach was filled. After sixteen hours the contrast advanced to the small intestine. In 48 hours, the...
Palavras-chave: 2.06.04.02-5 Radiology; Digestive tract; Diet; Chelonian Anatomia Animal2 Radiology; Digestive tract; Diet; Chelonian.
Ano: 2010 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/5082
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Reestablishment of equine intestinal transit. Part II: Treatment MV&Z
Thomassian, Armen.
Reestablishment of the normal intestinal transit in horses with sharp abdominal discomfort has been a major challenge even for the most experienced professionals in equine practice and surgery. Major procedures to control and repair gastrointestinal motility demand periodic observation of physiological parameters, intravenous administration of fluids to control hypoperfusion and electrolyte balance and digestive decompression by nasogastric intubation and cecum puncture. These emergency procedures are adopted whatever the etiopathogeny of the colic. Besides the traditional procedures, the veterinarian can also use acupuncture or even surgical intervention in situations where no responses were obtained by using the conservative therapy or when the case...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Equine; Digestive tract; Colic; Intestinal transit; Ileus; Treatment equinos; Aparelho digestório; Cólica; Trânsito intestinal; Íleo; Tratamento.
Ano: 2000 URL: http://www.revistamvez-crmvsp.com.br/index.php/recmvz/article/view/3347
Registros recuperados: 12
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