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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.18 no.1 Curitiba Mar. 2001

http://dx.doi.org/10.1590/S0101-81752001000100013 

Aspectos histológicos e histoquímicos da cloaca feminina de Columba livia (Gmelin) (Columbidae, Columbiformes)

 

Histological and histochemical aspects of female cloaca of Columba livia (Gmelin) (Columbidae, Columbiforme)

 

 

Maria Eloíza de Oliveira Teles; Maria das Graças Ribeiro; Sandra Maria das Graças Maruch; Roseli Deolinda Ribeiro

Laboratório de Histologia Animal, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais. Avenida Antônio Carlos 6627, 31270-910 Belo Horizonte, Minas Gerais, Brasil. E-mail: eloteles@mono.icb.ufmg.br

 

 


ABSTRACT

The domestic dove Columba livia (Gmelin, 1789) is a species well adapted to Brazil and the study of its reproductive biology is part of a broad research project on birds. This essay describes the morphological aspects of the cloaca of female Columba livia, describing compartments lengthwise starting from the head such as the coprodeo, urodeo and proctodeo limited by mucosal folds. Each compartment of the cloaca presents its own morphological characteristics which differ one from the other in form, height and position of mucosal projections, kinds of tissues, presence and histological aspects of glands, presence of lymphonodus. The rectum opens into the coprodeo, the ureter opens into the oviduct and the cloacal sac opening into the proctodeo. Histochemical studies have shown the presence of glycoproteins in tissue cells and gland cells on the three segments of the cloaca.

Key words: Domestic dove, morphological aspects, histochemistry, cloaca


 

 

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

 

 

AGRADECIMENTOS. As autoras agradecem ao professor Ney Demas Carnevalli, pela confirmação da espécie em estudo; à bióloga do Laboratório de Histologia Animal, ICB/UFMG - Sandra Resende Lima, responsável pela preparação técnica do material estudado; ao biólogo Jorge Chehade Nasser Júnior, pela digitação do texto; à técnica do Laboratório Fotográfico, ICB/UFMG - Ivone Carmo de Oliveira, pelas ilustrações; ao tradutor Carlos Campos e à PRPq e FAPEMIG, pelo apoio financeiro.

 

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Recebido em 02.III.2000; aceito em 29.III.2001.

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