Results 41 to 50 of about 12,241 (233)

Trypanosoma cruzi infection in Didelphis marsupialis in Santa Catarina and Arvoredo Islands, southern Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 2000
Between 1984 and 1993 the prevalence of the Trypanosoma cruzi infection in opossums (Didelphis marsupialis) was studied in Santa Catarina and Arvoredo Islands, State of Santa Catarina, Brazil.
Edmundo C Grisard   +5 more
doaj   +1 more source

Modelling for research on chemical control of mammals in New Zealand [PDF]

open access: yes, 1974
Development of predictive formulae or qualitative statements about the probable outcome of control campaigns entails knowledge of bait quality and distribution, behaviour, vagaries of weather at the time of the control campaign, and other factors which ...
Batcheler, C. L., Bell, J.
core   +1 more source

Structure and Spectroscopic Characterisation of Phenanthroline‐Based Iodobismuthate(III) Complexes Utilised for Raw Acoustic Signal Classification

open access: yesAdvanced Intelligent Discovery, EarlyView.
Memristors based on trimethylsulfonium (phenanthroline)tetraiodobismuthate have been utilised as a nonlinear node in a delayed feedback reservoir. This system allowed an efficient classification of acoustic signals, namely differentiation of vocalisation of the brushtail possum (Trichosurus vulpecula).
Ewelina Cechosz   +4 more
wiley   +1 more source

MORFOLOGIA DA LARINGE E TRAQUEIA DE GAMBÁS (Didelphis sp.)

open access: yesCiência Animal Brasileira, 2013
Many species of opossums are created and used in laboratories, opening a wide field for studying and acquiring knowledge about the habits, diseases, diet and reproduction of these animals.
Bruno Machado Bertassoli   +5 more
doaj   +1 more source

Philander opossum

open access: yes, 2022
Philander opossum (Linnaeus, 1758) TYPE MATERIAL AND TYPE LOCALITY: RMNH 25421a, the lectotype (designated by Hershkovitz, 1976), is a fluid-preserved adult female with pouch young collected in Surinam. SYNONYMS: frenatus Olfers, 1818; superciliaris Olfers, 1818.
openaire   +1 more source

Quantitative assessment of masticatory muscles based on skull muscle attachment areas in Carnivora

open access: yesThe Anatomical Record, EarlyView.
Abstract Masticatory muscles are composed of the temporalis, masseter, and pterygoid muscles in mammals. Each muscle has a different origin on the skull and insertion on the mandible; thus, all masticatory muscles contract in different directions. Collecting in vivo data and directly measuring the masticatory muscles anatomically in various Carnivora ...
Kai Ito   +4 more
wiley   +1 more source

Sarcocystis neurona and related Sarcocystis spp. shed by opossums (Didelphis spp.) in South America

open access: yesRevista Brasileira de Parasitologia Veterinária, 2021
Protozoan parasites of the genus Sarcocystis are obligatory heteroxenous cyst-forming coccidia that infect a wide variety of animals and encompass approximately 200 described species. At least four Sarcocystis spp. (S. falcatula, S. neurona, S.
Luís Fernando Pita Gondim   +4 more
doaj   +1 more source

Ancient fossil specimens of extinct species are genetically more distant to an outgroup than extant sister species are [PDF]

open access: yes, 2008
There exists a remarkable correlation between genetic distance and time of species divergence as inferred from fossil records. This observation has provoked the molecular clock hypothesis.
Shi Huang
core   +2 more sources

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

Comparative and functional anatomy of masticatory muscles and bite force in opossums (Didelphimorphia, Didelphidae)

open access: yesThe Anatomical Record, EarlyView.
We describe the functional anatomy of masticatory muscles in nine opossums, finding a generalized anatomical pattern with differences related to skull morphology. Variation in quantitative myological data and estimated bite force was mostly related to size, and the increase in bite force supports dietary diversification associated with size increase ...
Juann A. F. H. Abreu, Diego Astúa
wiley   +1 more source

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