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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
29/03/2018 |
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Data da última atualização: |
29/03/2018 |
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Autoria: |
FERREIRA, A. O.; VASCONCELOS, B. G.; FAVARON, P. O.; SANTOS, A. C.; LEANDRO, R. M.; PEREIRA, F. T. V.; MARIA, D. A.; MIGLINO, M. A. |
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Afiliação: |
Amanda O. Ferreira, Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Bruno G. Vasconcelos, Instituto de Ciências Agrárias/Universidade Federal dos Vales Jequitinhonha e Mucuri; Phelipe O. Favaron, Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Amilton C. Santos, Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Rafael M. Leandro, Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Flávia T. V. Pereira, Universidade Estadual Paulista “Júlio de Mesquita Filho” - Unesp; Durvanei A. Maria, Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Maria Angélica Miglino, Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo. |
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Título: |
Bovine central nervous system development. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 38, n. 1, p. 147-153, janeiro 2018. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Desenvolvimento do sistema nervoso central de bovinos. |
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Conteúdo: |
Central nervous system (CNS) development researches are extremely important to the most common congenital disorders and organogenesis comprehension. However, few studies show the entire developmental process during the critical period. Present research can provide data to new researches related to normal development and abnormalities and changes that occur along the CNS organogenesis, especially nowadays with the need for preliminary studies in animal models, which could be used for experimental research on the influence of viruses, such as the influence of Zika virus on the development of the neural system and its correlation with microcephaly in human newborns. Then, present study describes CNS organogenesis in cattle according to microscopic and macroscopic aspects, identifying structures and correlating to gestational period. Fourteen embryos and nine bovine fetuses at different ages were collected and analyzed. All individuals were measured in order to detect the gestational period. Bovine embryo at 17 days age has its neural tube, cranial neuropore, caudal neuropore and somites developed. After 24 days of development, were observed in cranial part of neural tube five encephalic vesicles denominated: telencephalon, diencephalon, mesencephalon, metencephalon and myelencephalon. In addition, the caudal part of neural tube was identified with the primitive spinal cord. The primordial CNS differentiation occurred from 90 to 110 days. The five encephalic vesicles, primordial spinal cord and the cavities: third ventricule, mesencephalic aqueduct, fourth ventricle and central canal in spinal cord were observed. With 90 days, the main structures were identified: (1) cerebral hemispheres, corpus callosum and fornix, of the telencephalon; (2) interthalamic adhesion, thalamus, hypothalamus and epythalamus (glandula pinealis), of the diencephalon; (3) cerebral peduncles and quadruplets bodies, of the mesencephalon; (4) pons and cerebellum, of the metencephalon; (5) medulla oblongata or bulb, of the myelencephalon; and (6) spinal cord, of the primitive spinal cord. After 110 days of gestation, the five encephalic vesicles and its structures were completely developed. It was noted the presence of the spinal cord with the cervicothoracic and lumbossacral intumescences. In summary, the results describes the formation of the neural tube from the neural plate of the ectoderm, the encephalic vesicles derived from the neural tube and subsequent structural and cavities subdivisions, thus representing the complete embryology of the central nervous system. MenosCentral nervous system (CNS) development researches are extremely important to the most common congenital disorders and organogenesis comprehension. However, few studies show the entire developmental process during the critical period. Present research can provide data to new researches related to normal development and abnormalities and changes that occur along the CNS organogenesis, especially nowadays with the need for preliminary studies in animal models, which could be used for experimental research on the influence of viruses, such as the influence of Zika virus on the development of the neural system and its correlation with microcephaly in human newborns. Then, present study describes CNS organogenesis in cattle according to microscopic and macroscopic aspects, identifying structures and correlating to gestational period. Fourteen embryos and nine bovine fetuses at different ages were collected and analyzed. All individuals were measured in order to detect the gestational period. Bovine embryo at 17 days age has its neural tube, cranial neuropore, caudal neuropore and somites developed. After 24 days of development, were observed in cranial part of neural tube five encephalic vesicles denominated: telencephalon, diencephalon, mesencephalon, metencephalon and myelencephalon. In addition, the caudal part of neural tube was identified with the primitive spinal cord. The primordial CNS differentiation occurred from 90 to 110 days. The five encephalic vesicles, primordial... Mostrar Tudo |
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Palavras-Chave: |
Bovine central nervous system; Encéfalo; Encephalon; Ontogenia; Sistema nervoso central; SNC; Vesícula encefálica. |
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Thesagro: |
Bovino; Medula espinal. |
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Thesaurus NAL: |
Cycas necrotic stunt virus; Ontogeny; Spinal cord. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/174737/1/Bovine-central-nervous-system-development.pdf
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Marc: |
LEADER 03651naa a2200361 a 4500
001 2089930
005 2018-03-29
008 2018 bl uuuu u00u1 u #d
100 1 $aFERREIRA, A. O.
245 $aBovine central nervous system development.$h[electronic resource]
260 $c2018
500 $aTítulo em português: Desenvolvimento do sistema nervoso central de bovinos.
520 $aCentral nervous system (CNS) development researches are extremely important to the most common congenital disorders and organogenesis comprehension. However, few studies show the entire developmental process during the critical period. Present research can provide data to new researches related to normal development and abnormalities and changes that occur along the CNS organogenesis, especially nowadays with the need for preliminary studies in animal models, which could be used for experimental research on the influence of viruses, such as the influence of Zika virus on the development of the neural system and its correlation with microcephaly in human newborns. Then, present study describes CNS organogenesis in cattle according to microscopic and macroscopic aspects, identifying structures and correlating to gestational period. Fourteen embryos and nine bovine fetuses at different ages were collected and analyzed. All individuals were measured in order to detect the gestational period. Bovine embryo at 17 days age has its neural tube, cranial neuropore, caudal neuropore and somites developed. After 24 days of development, were observed in cranial part of neural tube five encephalic vesicles denominated: telencephalon, diencephalon, mesencephalon, metencephalon and myelencephalon. In addition, the caudal part of neural tube was identified with the primitive spinal cord. The primordial CNS differentiation occurred from 90 to 110 days. The five encephalic vesicles, primordial spinal cord and the cavities: third ventricule, mesencephalic aqueduct, fourth ventricle and central canal in spinal cord were observed. With 90 days, the main structures were identified: (1) cerebral hemispheres, corpus callosum and fornix, of the telencephalon; (2) interthalamic adhesion, thalamus, hypothalamus and epythalamus (glandula pinealis), of the diencephalon; (3) cerebral peduncles and quadruplets bodies, of the mesencephalon; (4) pons and cerebellum, of the metencephalon; (5) medulla oblongata or bulb, of the myelencephalon; and (6) spinal cord, of the primitive spinal cord. After 110 days of gestation, the five encephalic vesicles and its structures were completely developed. It was noted the presence of the spinal cord with the cervicothoracic and lumbossacral intumescences. In summary, the results describes the formation of the neural tube from the neural plate of the ectoderm, the encephalic vesicles derived from the neural tube and subsequent structural and cavities subdivisions, thus representing the complete embryology of the central nervous system.
650 $aCycas necrotic stunt virus
650 $aOntogeny
650 $aSpinal cord
650 $aBovino
650 $aMedula espinal
653 $aBovine central nervous system
653 $aEncéfalo
653 $aEncephalon
653 $aOntogenia
653 $aSistema nervoso central
653 $aSNC
653 $aVesícula encefálica
700 1 $aVASCONCELOS, B. G.
700 1 $aFAVARON, P. O.
700 1 $aSANTOS, A. C.
700 1 $aLEANDRO, R. M.
700 1 $aPEREIRA, F. T. V.
700 1 $aMARIA, D. A.
700 1 $aMIGLINO, M. A.
773 $tPesquisa Veterinária Brasileira, Rio de Janeiro$gv. 38, n. 1, p. 147-153, janeiro 2018.
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