Results 31 to 40 of about 68,847 (167)

Taxonomic re-evaluation of African anuran trypanosomes with the redescription and molecular diagnosis of Trypanosoma (Trypanosoma) nelspruitense Laveran, 1904 and Trypanosoma (Haematomonas) grandicolor Pienaar, 1962

open access: yesParasitology, 2023
The aquatic and terrestrial clades of species of Trypanosoma could provide insight into the evolutionary history of the genus, as well as complementary information for biomedical studies of medically and economically important species of Trypanosoma. The
Bernard J. Jordaan   +2 more
doaj   +1 more source

The impact of pelvic lateral rotation on hindlimb kinematics and stride length in the red-legged running frog, Kassina maculata [PDF]

open access: yesRoyal Society Open Science, 2019
Some frog species, such as Kassina maculata (red-legged running frog), use an asynchronous walking/running gait as their primary locomotor mode. Prior comparative anatomy work has suggested that lateral rotation of the pelvis improves walking performance
Amber J. Collings   +3 more
doaj   +1 more source

Mythological Names and dróttkvætt Formulae I: When is a Valkyrie Like a Spear?

open access: yesStudia Metrica et Poetica, 2014
This article explores patterns of language use in oral poetry within a variety of semantic formula. Such a formula may vary its surface texture in relation to phonic demands of the metrical environment in which it is realized.
- Frog
doaj   +1 more source

The Musical Frogs in Frogs

open access: yes, 2020
New suggestions about the implications of the agon in Aristophanes' Frogs, including the assimilation of the aulete to a frog because the visual aspect of circular breathing involves puffed-out cheeks.
openaire   +1 more source

Myth

open access: yesHumanities, 2018
Myth has become a fundamental frame of reference for Western thinking. This paper explores the term and category “myth” from the perspective of folklore studies, with concern for the use of myth as a tool in research. The ways in which myth has been used
Frog
doaj   +1 more source

Tissue-Specific Distribution of Legacy and Emerging Organophosphorus Flame Retardants and Plasticizers in Frogs

open access: yesToxics, 2021
Five types of tissues, including the liver, kidney, intestine, lung, and heart, were collected from black-spotted frogs and bullfrogs to study the tissue-specific accumulation of organophosphorus flame retardants (PFRs) and plasticizers.
Yin-E Liu   +6 more
doaj   +1 more source

Cytotoxic Effects of the Atrazine Herbicide on Erythrocytes and Liver Damage in Lithobates spectabilis

open access: yesFishes, 2023
In Mexico, atrazine is one of the herbicides most widely authorized and used in different irrigation districts. Atrazine is a herbicide that contaminates aquatic systems.
Maribel Méndez-Tepepa   +6 more
doaj   +1 more source

Frogs (Coqui Frogs, Greenhouse Frogs, Cuban Tree Frogs, and Cane Toads)

open access: yes, 2017
Amphibians are perhaps most well known for their highly threatened status, which often masks appreciation for the great numbers of species that are widespread global invaders (Kraus 2009). Both purposeful and accidental introductions of amphibians have occurred worldwide.
Beard, Karen H.   +2 more
openaire   +2 more sources

THE PROPELLER AND THE FROG [PDF]

open access: yesThe Astrophysical Journal, 2010
"Propellers" in planetary rings are disturbances in ring material excited by moonlets that open only partial gaps. We describe a new type of co-orbital resonance that can explain the observed non-Keplerian motions of propellers. The resonance is between the moonlet underlying the propeller, and co-orbiting ring particles downstream of the moonlet where
Pan, Margaret, Chiang, Eugene
openaire   +2 more sources

Factors influencing the occurrence of hoof thrush in horses [PDF]

open access: yesJournal of Central European Agriculture
The horse's hoof is a crucial element that affects the individual's health and its further use. This study aimed to assess the degree of dependence between the occurrence of thrush and the horse's size, and age, and to evaluate the impact of hoof shape ...
Veronika Čoudková   +3 more
doaj   +1 more source

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