Results: 171

Biochemical and histological changes in liver of Nectomys squamipes naturally infected by Schistosoma mansoni

The South American water rat Nectomys squamipes is a wild mammal reservoir of Schistosoma mansoni in Brazil. In the present study, wild rodents were collected in the field and categorized into two groups: infected and uninfected by S. mansoni. Blood was collected to analyze changes in the serum glucose l...

Investigação de ratada associada a florescimento e frutificação de taquaras em São Francisco do Sul, Santa Catarina, Brasil, 2012

A reprodução e a morte massiva de plantas de longa vida, como taquaras e bambus, estão associadas historicamente a episódios de ratadas. A superpopulação de roedores, que é favorecida pelo evento reprodutivo desses vegetais, traz consigo grandes prejuízos e riscos de emergências de doenças. Nes...

Influence of pitfall designs and use of baits on the capture of small mammals in Southern Minas Gerais State, Brazil

Acta sci., Biol. sci; 35 (4), 2013
Each kind of trap tends to be selective on species sampled, in a way that each one only reveals part of the abundance and species richness of the community sampled. In this way, in order to know the factors that affect the success of sampling methods is crucial for a better planning of experiments and da...

The brainstem localization of gastric preganglionic parasympathetic neurons in the Agouti (Dasyprocta leporina)

West Indian med. j; 62 (6), 2013
This study was designed to determine qualitatively, the source of gastric vagal nerve fibres in the Agouti. A total of 18 male and female adult agoutis were used for the present investigation. Following anaesthesia, laparotomy was performed and the stomach exteriorized. Multiple intramuscular injections ...

A microestrutura e o desenvolvimento dos órgãos genitais masculinos de preás (Galea spixii) criados em cativeiro

Pesqui. vet. bras; 32 (supl.1), 2012
O preá do semiárido nordestino (Galea spixii) é um roedor pertencente à família Caviidae. São encontrados nas regiões da Caatinga e do Cerrado Brasileiro e se reproduz ao longo do ano, apresentando um período de gestação de 48 dias e uma ninhada de 2 a 4 crias. O objetivo deste estudo foi carac...

Efecto de la concentración de crioprotectores sobre la viabilidad post vitrificación de embriones murinos (mus musculus)
Effect of cryoprotectant concentration on the post vitrification morphological viability of murine embryos (mus musculus)

Rev. Inst. Nac. Hig; 42 (1), 2011
Con la finalidad de determinar la mejor solución de vitrificación (SV), usando Etilenglicol (EG), Glicerol (G) y Sucrosa (SUC), se evaluó la apariencia morfológica post vitrificación de embriones murinos (Mus musculus). Ocho mezclas diferentes de crioprotectores fueron evaluadas, con las siguientes ...

Nuclear Architecture in the Medulla Oblongata of the Adult African Giant Pouched Rat (Cricetomys gambianus, Waterhouse - 1840)

Int. j. morphol; 29 (2), 2011
The architecture of cranial and non-cranial nerve nuclei in the medulla oblongata of the African giant pouched rat was studied by means of light microscopy. Serial sections of the medulla oblongata, in coronal and saggital planes, were stained with the cresyl fast violet and silver stains, respectively. ...

Análise de sobrevivência relacionada ao sexo, após esplenectomia, em modelo animal
Post-splenectomy survival analysis related to gender in animal model

É sabido que a esplenectomia causa propensão a infecções, principalmente aquelas causadas por microorganismos capsulados. Essas complicações acompanham-se de maior mortalidade e conseqüente menor sobrevida dos indivíduos asplênicos. O objetivo do presente trabalho foi avaliar a sobrevida em rela...

Anatomical Description of the Liver, Hepatic Ligaments and Omenta in the Coypu (Myocastor coypus)

Int. j. morphol; 25 (1), 2007
The objective of this work is to give a complementary description of the hepatic lobulation, the hepatic ligaments and the omenta of the nutria. Thirty nutrias were studied by gross dissection. The liver of the nutria was divided into six lobules as follows: left lateral, left medial, quadrate, right med...

External Morphological Characterization of 60-Days Gestation Myocastor coypus (Coypu) Fetuses

Int. j. morphol; 24 (1), 2006
The main objective of this work was to carry out the external morphology characterization of 60-days gestation Myocastor coypus (coypu) fetuses since this stage could be considered a crucial point in the prenatal development in this species. Fourteen fetuses out of three litter were analised. Gestational...