Aspectos anatômicos do pênis, prepúcio e músculo retrator do pênis de bovinos das raças Gir e Nelore
Autor(a) principal: | |
---|---|
Data de Publicação: | 2010 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFG |
Texto Completo: | http://repositorio.bc.ufg.br/tede/handle/tde/1208 |
Resumo: | Professionals of reproduction are increasingly looking for a deeper study of the penis and prepuce for the selection of reproductors to avoid factors that may favor the development of diseases causing impotence coeundi. In the surgical area this knowledgment facilitate nerve blocks and surgical approaches. So, it was aimed to conduct a review of penis and prepuce focusing embryological aspects, postnatal development, anatomical and histological composition, muscular origin and insertion, blood and lymphatic irrigation and drainage, innervation and mechanism of erection and ejaculation and to study morphometric aspects of the penis, prepuce and penis retractor muscle of Gir and Nelore cattle. In the first study, we selected 40 bulls aged between 30 to 38 months, being 20 Nelore and 20 Gir. These animals were evaluated by clinical examination and specific terms of the genital tract, test libido and mating ability. Later, the animals were carried to the slaughterhouse, where anatomical parts of the penis and preputium were collected in order to perform the morphometry and dissection of the retractor muscles of the penis, which, regardless of race presented in pairs in all animals. The second vertebra was the site of origin of the penis retractor muscle in all animals studied. The insertion of the left retractor muscle of the penis was more distally than the right one. However, there was no association with any disease process, since all animals showed themselves able of carrying out mating. In the second study, it was selected 23 Nelore and 20 Gir bulls from different centrals of collection of semen in order to study the morphometry and the correlation of different body and preputial measures. The average length of the prepuce of Nelore and Gir bulls was 52.4 5.5 cm and 57 3.2 cm, respectively. In the third study, for the penile morphometry, it was used the anatomical specimens of the first experiment. The penis length was, on average, 71.96 and 75.73 cm, respectively for the Nelore and Gir bulls. Some morphological and morphometric parameters quantified in this work, as the length of the prepuce, the shortest distance from the preputial orifice to the abdominal wall, lower distance from the umbilicus to the abdominal wall, circunference of the preputial orifice, length of the glans and length of free part of the penis, are found to be important parameters to evaluation criteria in the selection of reproductors for phenotypic characteristics improvement or even for prevention of acquired diseases that affect the external genitalia of bulls. |
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BRITO, Luiz Augusto Batistahttp://lattes.cnpq.br/3212353728321020FIORAVANTI, Maria Clorinda Soareshttp://lattes.cnpq.br/8772502020076257SILVA, Luiz Antônio Franco dahttp://lattes.cnpq.br/0446055905975647http://lattes.cnpq.br/9118817196322691MENDONÇA, Alberto Corrêa2014-07-29T15:13:55Z2010-05-282010-04-30MENDONÇA, Alberto Corrêa. Anatomical aspects of the penis, prepuce and penis retractor muscle of cattle Gir and Nellore. 2010. 90 f. Tese (Doutorado em Ciências Agrárias) - Universidade Federal de Goiás, Goiânia, 2010.http://repositorio.bc.ufg.br/tede/handle/tde/1208Professionals of reproduction are increasingly looking for a deeper study of the penis and prepuce for the selection of reproductors to avoid factors that may favor the development of diseases causing impotence coeundi. In the surgical area this knowledgment facilitate nerve blocks and surgical approaches. So, it was aimed to conduct a review of penis and prepuce focusing embryological aspects, postnatal development, anatomical and histological composition, muscular origin and insertion, blood and lymphatic irrigation and drainage, innervation and mechanism of erection and ejaculation and to study morphometric aspects of the penis, prepuce and penis retractor muscle of Gir and Nelore cattle. In the first study, we selected 40 bulls aged between 30 to 38 months, being 20 Nelore and 20 Gir. These animals were evaluated by clinical examination and specific terms of the genital tract, test libido and mating ability. Later, the animals were carried to the slaughterhouse, where anatomical parts of the penis and preputium were collected in order to perform the morphometry and dissection of the retractor muscles of the penis, which, regardless of race presented in pairs in all animals. The second vertebra was the site of origin of the penis retractor muscle in all animals studied. The insertion of the left retractor muscle of the penis was more distally than the right one. However, there was no association with any disease process, since all animals showed themselves able of carrying out mating. In the second study, it was selected 23 Nelore and 20 Gir bulls from different centrals of collection of semen in order to study the morphometry and the correlation of different body and preputial measures. The average length of the prepuce of Nelore and Gir bulls was 52.4 5.5 cm and 57 3.2 cm, respectively. In the third study, for the penile morphometry, it was used the anatomical specimens of the first experiment. The penis length was, on average, 71.96 and 75.73 cm, respectively for the Nelore and Gir bulls. Some morphological and morphometric parameters quantified in this work, as the length of the prepuce, the shortest distance from the preputial orifice to the abdominal wall, lower distance from the umbilicus to the abdominal wall, circunference of the preputial orifice, length of the glans and length of free part of the penis, are found to be important parameters to evaluation criteria in the selection of reproductors for phenotypic characteristics improvement or even for prevention of acquired diseases that affect the external genitalia of bulls.Profissionais da reprodução procuram cada vez mais o aprofundamento no estudo do pênis e prepúcio para a seleção de reprodutores, evitando fatores que possam favorecer o desenvolvimento de enfermidades, gerando impotência coeundi. Na área cirúrgica busca-se esse estudo para facilitar bloqueios nervosos e abordagens cirúrgicas. Neste sentido, objetivou-se realizar uma revisão sobre pênis e prepúcio enfocando aspectos embriológicos, desenvolvimento pós-natal, composição anatômica e histológica, origens e inserções musculares, irrigações e drenagens sanguínea e linfática, inervações e mecanismo de ereção e ejaculação, bem como estudar os aspectos morfométricos do pênis, prepúcio e músculo retrator do pênis de bovinos das raças Gir e Nelore. No primeiro estudo, foram selecionados 40 touros com idade entre 30 a 38 meses, sendo 20 da raça Nelore e 20 da raça Gir. Estes animais foram avaliados por meio de exame clínico geral e específico do aparelho genital, teste de libido e capacidade de serviço. Posteriormente, estes foram encaminhados ao frigorífico, onde foram coletadas peças anatômicas de pênis e prepúcio para dissecação e morfometria do músculo retrator do pênis, que, independente da raça, apresentou-se sempre aos pares em todos os animais. A segunda vértebra caudal foi o local de origem do músculo retrator do pênis em todos os animais estudados. A inserção do músculo retrator do pênis esquerdo ocorreu de modo mais prolongado em relação ao direito. Apesar disso, não houve associação a qualquer processo mórbido, uma vez que todos os animais apresentaram-se aptos à realização da cópula. No segundo estudo, foram selecionados 23 touros da raça Nelore e 20 Gir, oriundos de diferentes centrais de coleta de sêmen para a morfometria e correlações entre várias medidas corporais e prepuciais. O comprimento médio do prepúcio nos touros Nelore e Gir foram de 52,4 5,5 cm e 57 3,2 cm, respectivamente. No terceiro estudo foram utilizadas as peças anatômicas do primeiro experimento, onde foram realizadas as morfometrias penianas. O comprimento peniano foi, em média, de 71,96 e 75,73 cm, respectivamente para o Nelore e Gir. Alguns parâmetros morfológicos e morfométricos quantificados neste trabalho, como comprimento do prepúcio, menor distância do óstio prepucial à parede do abdômen, menor distância da cicatriz umbilical à parede do abdômen, perímetro externo do óstio prepucial, comprimento da glande e comprimento da parte livre do pênis, mostram-se importantes como critérios de avaliação na seleção de reprodutores, seja para fins de melhoramento de características fenotípicas ou mesmo na prevenção de enfermidades adquiridas que acometem a genitália externa de touros.Made available in DSpace on 2014-07-29T15:13:55Z (GMT). No. of bitstreams: 1 tese Alberto Correa Mendonca.pdf: 1801831 bytes, checksum: cb63641f0c2c7081387709a8dc34348d (MD5) Previous issue date: 2010-04-30application/pdfhttp://repositorio.bc.ufg.br/TEDE/retrieve/4102/tese%20Alberto%20Correa%20Mendonca.pdf.jpgporUniversidade Federal de GoiásDoutorado em Ciência AnimalUFGBRCiências AgráriasAnatomiamorfologia penianaóstio prepucialreprodutores1. Bovinos 2. Pênis 3. 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dc.title.por.fl_str_mv |
Aspectos anatômicos do pênis, prepúcio e músculo retrator do pênis de bovinos das raças Gir e Nelore |
dc.title.alternative.eng.fl_str_mv |
Anatomical aspects of the penis, prepuce and penis retractor muscle of cattle Gir and Nellore |
title |
Aspectos anatômicos do pênis, prepúcio e músculo retrator do pênis de bovinos das raças Gir e Nelore |
spellingShingle |
Aspectos anatômicos do pênis, prepúcio e músculo retrator do pênis de bovinos das raças Gir e Nelore MENDONÇA, Alberto Corrêa Anatomia morfologia peniana óstio prepucial reprodutores 1. Bovinos 2. Pênis 3. Prepúcio anatomy morphology penile preputial orifice reproductors CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA::CLINICA E CIRURGIA ANIMAL::CLINICA VETERINARIA |
title_short |
Aspectos anatômicos do pênis, prepúcio e músculo retrator do pênis de bovinos das raças Gir e Nelore |
title_full |
Aspectos anatômicos do pênis, prepúcio e músculo retrator do pênis de bovinos das raças Gir e Nelore |
title_fullStr |
Aspectos anatômicos do pênis, prepúcio e músculo retrator do pênis de bovinos das raças Gir e Nelore |
title_full_unstemmed |
Aspectos anatômicos do pênis, prepúcio e músculo retrator do pênis de bovinos das raças Gir e Nelore |
title_sort |
Aspectos anatômicos do pênis, prepúcio e músculo retrator do pênis de bovinos das raças Gir e Nelore |
author |
MENDONÇA, Alberto Corrêa |
author_facet |
MENDONÇA, Alberto Corrêa |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
BRITO, Luiz Augusto Batista |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/3212353728321020 |
dc.contributor.advisor-co1.fl_str_mv |
FIORAVANTI, Maria Clorinda Soares |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/8772502020076257 |
dc.contributor.advisor-co2.fl_str_mv |
SILVA, Luiz Antônio Franco da |
dc.contributor.advisor-co2Lattes.fl_str_mv |
http://lattes.cnpq.br/0446055905975647 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/9118817196322691 |
dc.contributor.author.fl_str_mv |
MENDONÇA, Alberto Corrêa |
contributor_str_mv |
BRITO, Luiz Augusto Batista FIORAVANTI, Maria Clorinda Soares SILVA, Luiz Antônio Franco da |
dc.subject.por.fl_str_mv |
Anatomia morfologia peniana óstio prepucial reprodutores 1. Bovinos 2. Pênis 3. Prepúcio |
topic |
Anatomia morfologia peniana óstio prepucial reprodutores 1. Bovinos 2. Pênis 3. Prepúcio anatomy morphology penile preputial orifice reproductors CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA::CLINICA E CIRURGIA ANIMAL::CLINICA VETERINARIA |
dc.subject.eng.fl_str_mv |
anatomy morphology penile preputial orifice reproductors |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA::CLINICA E CIRURGIA ANIMAL::CLINICA VETERINARIA |
description |
Professionals of reproduction are increasingly looking for a deeper study of the penis and prepuce for the selection of reproductors to avoid factors that may favor the development of diseases causing impotence coeundi. In the surgical area this knowledgment facilitate nerve blocks and surgical approaches. So, it was aimed to conduct a review of penis and prepuce focusing embryological aspects, postnatal development, anatomical and histological composition, muscular origin and insertion, blood and lymphatic irrigation and drainage, innervation and mechanism of erection and ejaculation and to study morphometric aspects of the penis, prepuce and penis retractor muscle of Gir and Nelore cattle. In the first study, we selected 40 bulls aged between 30 to 38 months, being 20 Nelore and 20 Gir. These animals were evaluated by clinical examination and specific terms of the genital tract, test libido and mating ability. Later, the animals were carried to the slaughterhouse, where anatomical parts of the penis and preputium were collected in order to perform the morphometry and dissection of the retractor muscles of the penis, which, regardless of race presented in pairs in all animals. The second vertebra was the site of origin of the penis retractor muscle in all animals studied. The insertion of the left retractor muscle of the penis was more distally than the right one. However, there was no association with any disease process, since all animals showed themselves able of carrying out mating. In the second study, it was selected 23 Nelore and 20 Gir bulls from different centrals of collection of semen in order to study the morphometry and the correlation of different body and preputial measures. The average length of the prepuce of Nelore and Gir bulls was 52.4 5.5 cm and 57 3.2 cm, respectively. In the third study, for the penile morphometry, it was used the anatomical specimens of the first experiment. The penis length was, on average, 71.96 and 75.73 cm, respectively for the Nelore and Gir bulls. Some morphological and morphometric parameters quantified in this work, as the length of the prepuce, the shortest distance from the preputial orifice to the abdominal wall, lower distance from the umbilicus to the abdominal wall, circunference of the preputial orifice, length of the glans and length of free part of the penis, are found to be important parameters to evaluation criteria in the selection of reproductors for phenotypic characteristics improvement or even for prevention of acquired diseases that affect the external genitalia of bulls. |
publishDate |
2010 |
dc.date.available.fl_str_mv |
2010-05-28 |
dc.date.issued.fl_str_mv |
2010-04-30 |
dc.date.accessioned.fl_str_mv |
2014-07-29T15:13:55Z |
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info:eu-repo/semantics/doctoralThesis |
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dc.identifier.citation.fl_str_mv |
MENDONÇA, Alberto Corrêa. Anatomical aspects of the penis, prepuce and penis retractor muscle of cattle Gir and Nellore. 2010. 90 f. Tese (Doutorado em Ciências Agrárias) - Universidade Federal de Goiás, Goiânia, 2010. |
dc.identifier.uri.fl_str_mv |
http://repositorio.bc.ufg.br/tede/handle/tde/1208 |
identifier_str_mv |
MENDONÇA, Alberto Corrêa. Anatomical aspects of the penis, prepuce and penis retractor muscle of cattle Gir and Nellore. 2010. 90 f. Tese (Doutorado em Ciências Agrárias) - Universidade Federal de Goiás, Goiânia, 2010. |
url |
http://repositorio.bc.ufg.br/tede/handle/tde/1208 |
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por |
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Universidade Federal de Goiás |
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Doutorado em Ciência Animal |
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UFG |
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Ciências Agrárias |
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Universidade Federal de Goiás |
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