Navegando por Palavras-chave "Cebus"

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    Aspectos morfológicos, citoquímicos e hematimétricos do sangue de macaco prego cebus apella (Linne, 1758) submetidos aos raios X
    (Universidade Federal de São Paulo (UNIFESP), 1988) Egami, Mizue Imoto [UNIFESP]; Sasso, Wilson da Silva [UNIFESP]
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    Estudo morfológico do hipocampo de uma espécie de primata da Amazônia: Cebus apella, (Linnaeus, 1758)
    (Universidade Federal de São Paulo (UNIFESP), 2010-11-24) Torres, Laila Brito [UNIFESP]; Cavalheiro, Esper Abrão [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    The nonhuman primates constitute irreplaceable animal models for research areas in which their close evolutionary relationship to humans ensures high fidelity models with predictive and discriminative abilities that may not be available in other species. The Cebus apella, a New World primate specie belonging to the Cebidae family, Cebinae suborder (Linnaeus, 1758) are commonly used in biomedical and behavior research being the specie of choice for many cognitive experimental tasks. The hippocampus, a highly plastic limbic structure situated in the temporal lobe is important for learning and memory consolidation. In this way, the aim of this study was to characterize quantitatively and qualitatively the Parvalbumin positive cells in the hippocampal formation of the Cebus monkey and also estimate the volume and neuronal number in their different subfields using an optical fractionator design method. The results obtained in our study will be useful for many experimental designs in translational medicine.
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    Hemorrhoids: an experimental model in monkeys
    (Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia, 2006-10-01) Plapler, Helio [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    PURPOSE: Hemorrhoids are a matter of concern due to a painful outcome. We describe a simple, easy and reliable experimental model to produce hemorrhoids in monkeys. METHODS: 14 monkeys (Cebus apella) were used. After general anesthesia, hemorrhoids were induced by ligation of the inferior hemorrhoidal vein, which is very alike to humans. The vein was located through a perianal incision, dissected and ligated with a 3-0 vicryl. The skin was sutured with a 4-0 catgut thread. Animals were kept in appropriate cages and evaluated daily. RESULTS: Nine days later there were hemorrhoidal piles in the anus in fifty percent (50%) of the animals. Outcome was unremarkable. There was no bleeding and all animals showed no signs of pain or suffering. CONCLUSION: This is an affordable and reliable experimental model to induce hemorrhoids for experimental studies.