Results 31 to 40 of about 1,353 (128)

Natural and experimental infection of the lizard Ameiva ameiva with Hemolivia stellata (Adeleina: Haemogregarinidae) of the toad Bufo marinus

open access: yesParasite, 2007
Developmental stages of a haemogregarine in erythrocytes of the lizard Ameiva ameiva (Teiidae), from Pará State, north Brazil, were shown to be those of Hemolivia by the nature of the parasite’s sporogonic cycle in the tick Amblyomma rotondatum. The type
Lainson R., De Souza M.C., Franco C.M.
doaj   +1 more source

Lankesterella poeppigii n. sp. (Apicomplexa, Lankesterellidae) from Bufo poeppigii (Tschudi, 1845) from Peru

open access: yesRevista Peruana de Biología, 2011
Lankesterella poeppigii n. sp. is described from Bufo poeppigii (Tschudi, 1845) from Peru. Merogony and oogony occur in the capillary endothelium and the macrophages in the liver, spleen and kidneys. Meronts are oval, 25,2–29,4 x 15,7–16,8 μm in size and
Ilan Paperna   +3 more
doaj   +1 more source

Lueheia inscripta (Westrumb, 1821) (Acanthocephala: Plagiorhynchidae) in anurans (Leptodactylidae: Bufonidae) from Mexico

open access: yesParasite, 2010
Juveniles of Lueheia inscripta (Westrumb, 1821) Travassos, 1919 (Acanthocephala: Plagiorhynchidae), an acanthocephalan with six lemnisci, are reported and described from mesenteries of frogs Leptodactylus fragilis Brochi, 1877 and a toad Bufo marinus ...
Salgado-Maldonado G.   +1 more
doaj   +1 more source

Miniaturized Bioaffinity Assessment Coupled to Mass Spectrometry for Guided Purification of Bioactives from Toad and Cone Snail

open access: yesBiology, 2014
A nano-flow high-resolution screening platform, featuring a parallel chip-based microfluidic bioassay and mass spectrometry coupled to nano-liquid chromatography, was applied to screen animal venoms for nicotinic acetylcholine receptor like (nAChR ...
Ferry Heus   +11 more
doaj   +1 more source

Helpful invaders: Can cane toads reduce the parasite burdens of native frogs?

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2015
Many invading species have brought devastating parasites and diseases to their new homes, thereby imperiling native taxa. Potentially, though, invaders might have the opposite effect. If they take up parasites that otherwise would infect native taxa, but
Felicity B.L. Nelson   +3 more
doaj   +1 more source

Resting respiratory behavior in minimally instrumented toads - effects of very long apneas on blood gases and pH

open access: yesBrazilian Journal of Biology
Resting respiratory behavior of Bufo marinus in minimally instrumented toads is described for a period of 24 hours in which the animals are left undisturbed.
F. C. Coelho, N. J. Smatresk
doaj   +1 more source

Uma nova hemogregarina no sangue de Bufo crucifer wied, 1821 do Brasil A new hemogregarine in the blood of Bufo crucifer wied, 1821 from Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 1974
A ocorrência de hemagregarinas no sangue dos sapos que examinamos (Bufo crucifer, B. marinus e Melanophryniscus moreirae) revelou-se extremamente rara; apenas um exemplar de B.
Maria Auxiliadora de Sousa   +1 more
doaj   +1 more source

Helminths parasites of freshwater fishes from Pirassununga, SP, Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 1985
Twelve species of parasitic helminths, seven trematodes, four nematodes and one acanthocephalan are reported from various hosts. Creptotrema lynchi, a parasite from Bufo marinus in Colombia, is described for the first time in fish and from Brazil ...
A. Kohn   +3 more
doaj   +1 more source

Tongue and Glottis Morphology of Cathartes aura and the Secret of Its Functional Adaptation

open access: yesActa Zoologica, EarlyView.
ABSTRACT Cathartes aura, commonly known as the Turkey vulture, is a scavenger bird belonging to the family Cathartidae that is widely distributed throughout the Americas and classified as a New World vulture. Its diet primarily consists of small‐sized carcasses, predominantly of wild animals.
Jean Caio Figueiredo de Almeida   +5 more
wiley   +1 more source

Streptozotocin induced hyperglycemia in the axolotl

open access: yesDevelopmental Dynamics, Volume 255, Issue 6, Page 567-584, June 2026.
Abstract Background Diabetes is a group of diseases characterized by loss of β cell mass and/or function, resulting in hyperglycemia. With no established curative treatment, this has initiated research in β cell regeneration. Current animal models have either limited regenerative capacity (mice) or small size and evolutionary distance from humans ...
Pernille Lajer Sørensen   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy