Results 151 to 160 of about 785 (183)

Baroreflex control of heart rate in the broad-nosed caiman Caiman latirostris is temperature dependent

Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 2010
It has been suggested that ectothermic vertebrates primarily control blood pressure to protect the pulmonary vasculature from oedema caused by high pressure, while endothermic vertebrates control blood pressure to maintain adequate oxygen delivery to the tissues. In the present study we have characterised how temperature affects the cardiac limb of the
Hagensen, Mette K, Abe, Augusto S, Wang, Tobias   +2 more
openaire   +4 more sources

Caiman cf. Latirostris (Alligatoridae, Caimaninae) in the Late Miocene Palo Pintado Formation, Salta Province, Argentina: Paleogeographic and Paleoenvironmental Considerations [PDF]

Ameghiniana, 2014
The three recognized species of Caiman –C. latirostris, C. yacare and C. crocodilus– currently live in northern and central South America. Except for the fragmentary dentary of a putative Caiman from Oligocene rocks in Brazil, the genus has been reliably
Paula Bona, Daniel Starck, Zulma Gasparini   +2 more
exaly   +2 more sources

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Microgeographic variation in Caiman latirostris

Journal of Experimental Zoology, 2002
AbstractIn theory, geographic scale is related to genetic variation at the population level, whereas microgeographic scale may reveal intra‐population structure such as social groups and families. In the present work, both levels of genetic variation in the broad‐snouted caiman (Caiman latirostris) were evaluated in small wetlands associated with the ...
Luciano Martins, Verdade, Rodrigo Barban, Zucoloto, Luiz Lehmann, Coutinho   +2 more
openaire   +2 more sources

Anurans as paratenic hosts in the transmission of Hepatozoon caimani to caimans Caiman yacare and Caiman latirostris

Parasitology Research, 2011
Prevalence of Hepatozoon caimani has been reported in 76% of caimans Caiman yacare from the Pantanal region. Culex (Melanoconion) spp. mosquitoes were recently identified as natural vectors of this parasite. However, culicids are not typically eaten by crocodilians, suggesting that the main transmission route is through ingestion of insectivorous ...
Lúcio André, Viana, Priscilla, Soares, Jhonatan Eber, Silva, Fernando, Paiva, Marcos Eduardo, Coutinho   +4 more
openaire   +2 more sources

Microsatellite DNA library for Caiman latirostris

Journal of Experimental Zoology, 2002
AbstractNew genetic markers were characterized for the broad‐snouted caiman (Caiman latirostris) by constructing libraries enriched for microsatellite DNA. Construction and characterization of these libraries are described in the present study. One microsatellite marker was developed from a (ACC‐TGG)nenriched microsatellite DNA library, and 12 ...
Rodrigo Barban, Zucoloto, Luciano Martins, Verdade, Luiz Lehmann, Coutinho   +2 more
openaire   +2 more sources

Detection of Leptospira spp. in Captive Broad-Snouted Caiman (Caiman latirostris)

EcoHealth, 2019
Leptospira sp. is an important waterborne zoonotic bacterium, known to cause infection in animals and humans worldwide. The role of reptiles in the transmission of this microorganism is poorly understood and historically neglected. This study aimed to investigate the presence of anti-Leptospira spp.
Lucas Nogueira, Paz, Camila, Hamond, Carla Silva, Dias, Vitor P, Curvelo, Marco Alberto, Medeiros, Arianne Pontes, Oriá, Melissa Hanzen, Pinna   +6 more
openaire   +2 more sources

Allometry of Reproduction in Wild Broad-Snouted Caimans (Caiman latirostris)

Journal of Herpetology, 2004
We studied 20 nesting female Caiman latirostris and their clutches in Santa Fe Province, Argentina. We regressed clutch and egg parameters and hatchling size with several measurements of female size (ln-transformed) to evaluate the allometry of reproduction in the wild. Larger females produced relatively smaller clutches. Larger females produced larger
Alejandro Larriera, Carlos I. Piña, Pablo Siroski, Luciano M. Verdade   +3 more
openaire   +1 more source

Postnatal development and histofunctional differentiation of the oviduct in the broad-snouted caiman (Caiman latirostris)

General and Comparative Endocrinology, 2016
Caiman latirostris is a South American crocodilian species characterized as a sentinel of the presence of endocrine-disrupting compounds (EDCs). Evaluating developmental events in hormone-dependent organs, such as the oviduct, is crucial to understand physiological postnatal development, to identify putative periods of exposure sensitive to EDCs, and ...
Galoppo, Germán Hugo, Stoker, Cora, Canesini, Guillermina, Schierano Marotti, Gonzalo, Durando, Milena de Lourdes, Luque, Enrique Hugo, Muñoz de Toro, Monica Milagros   +6 more
openaire   +3 more sources

Genital anatomy and copulatory interactions in the broad snouted Caiman (Caiman latirostris)

The Anatomical Record, 2021
AbstractThe broad snouted caiman is a crocodylian native to South America that is subject to extensive conservation management in both wild and farming environments. Although reproductive behaviors like egg laying and clutch care have been examined in this species, little else is known about their copulatory system.
Brandon C. Moore, Diane A. Kelly, Milan Piva, Mark Does, Dong Kyu Kim, Melina Simoncini, Pamela M.L. Leiva, Carlos I. Pina   +7 more
openaire   +2 more sources

Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris

Mutation Research/Genetic Toxicology and Environmental Mutagenesis, 2010
Ultraviolet radiation (UVR) has many positive effects, but overexposure of organisms can generate alterations in DNA, either directly or indirectly, inducing mutagenic and cytotoxic lesions. The aim of this study was to evaluate the genotoxic effects of UVA-B/visible light in the broad-snouted caiman (Caiman latirostris), using the micronucleus (MN ...
L G, Schaumburg, G L, Poletta, A, Imhof, P A, Siroski   +3 more
openaire   +2 more sources