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Journal of Parasitology, 2022 Using microscopy and/or immunodiagnosis, the authors analyzed 284 fecal samples from the Brazilian rock cavy, Kerodon rupestris, that were collected between 1984 and 2015 in Serra da Capivara National Park for the presence of helminths and protozoa.
Daniela Leles +2 more
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Distribution of nitric oxide in the rock cavy (Kerodon rupestris) brain II: The brainstem
Journal of Chemical Neuroanatomy, 2021In a recent paper, we described the distribution of Nitric oxide (NO) in the diencephalon of the rock cavy (Kerodon rupestris). This present paper follows this work, showing the distribution of NO synthesizing neurons in the rock cavy's brainstem. For this, we used immunohistochemistry against the neuronal form of nitric oxide synthase (NOS) and NADPH ...
Cavalcante Jc +1 more
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Retinal afferents to the thalamic mediodorsal nucleus in the rock cavy (Kerodon rupestris)
Neuroscience Letters, 2010The MD has reciprocal connections with the ventromedial prefrontal cortex (PFC) and with limbic cortices and appears to participate in learning and memory-related processes. In this study, we report the identification of a hitherto not reported direct retinal projection to the MD of the rock cavy, a typical rodent species of the Northeast region of ...
Cavalcante Jc
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Retinal projections into the Zona Incerta of the rock cavy (Kerodon rupestris): A CTb study
Neuroscience Research, 2014The Zona Incerta is a key neural substrate of higher brain functions. A neural population in the caudal ZI projects into the superior colliculus. This recently has been identified as an important structure for the saccades. Applying CTb, we describe a retinal projection into the caudal ZI and the distribution of its terminal varicosities in the rock ...
Cavalcante Jc +2 more
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Retinal projections to the thalamic paraventricular nucleus in the rock cavy (Kerodon rupestris)
Brain Research, 2008The thalamic paraventricular nucleus (PVT) receives afferents from numerous brain areas, including the hypothalamic suprachiasmatic nucleus (SCN), considered to be the major circadian pacemaker. The PVT also sends projections to the SCN, limbic system centers and some nuclei involved in the control of the Sleep-Wake cycle.
Cavalcante J S +2 more
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Distribution of nitric oxide synthase in the rock cavy (Kerodon rupestris) brain I: The diencephalon
Brain Research, 2018Nitric oxide (NO) is a highly soluble and membrane-permeable neurotransmitter, so it does not need to be packed in vesicles or have a membrane receptor. In the nervous system, NO is synthesized by the neuronal form of the nitric oxide synthase (NOS) enzyme and has been considered as a local neurotransmitter.
Cavalcante Jc +1 more
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Journal of Chemical Neuroanatomy, 2018
The rock cavy (Kerodon rupestris) is a crepuscular Hystricomorpha rodent that has been used in comparative analysis of retinal targets, but its retinal organization remains to be investigated. In order to better characterize its visual system, the present study analyzed neurochemical features related to the topographic organization of catecholaminergic
JOSÉ Rodolfo Lopes De Paiva Cavalcanti +2 more
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The rock cavy (Kerodon rupestris) is a crepuscular Hystricomorpha rodent that has been used in comparative analysis of retinal targets, but its retinal organization remains to be investigated. In order to better characterize its visual system, the present study analyzed neurochemical features related to the topographic organization of catecholaminergic
JOSÉ Rodolfo Lopes De Paiva Cavalcanti +2 more
exaly +3 more sources
Primates, 2021
We describe predation on an adult rodent rock cavy and sharing of the carcass by a group of male bearded capuchins. Despite many studies, such an interaction has never been observed in bearded capuchins. Rock cavies are large rodents weighing around 25% of the weight of an adult male bearded capuchin.
Robério Freire Filho +2 more
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We describe predation on an adult rodent rock cavy and sharing of the carcass by a group of male bearded capuchins. Despite many studies, such an interaction has never been observed in bearded capuchins. Rock cavies are large rodents weighing around 25% of the weight of an adult male bearded capuchin.
Robério Freire Filho +2 more
openaire +2 more sources
Nuclear organization of the serotonergic system in the brain of the rock cavy (Kerodon rupestris)
Journal of Chemical Neuroanatomy, 2012Serotonin, or 5-hydroxytryptamine (5-HT), is a substance found in many tissues of the body, including as a neurotransmitter in the nervous system, where it can exert different post-synaptic actions. Inside the neuro-axis, 5-HT neurons are almost entirely restricted to the raphe nuclei of the brainstem. As such, 5-HT-immunoreactivity has been considered
Joacil G, Soares +9 more
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