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

• Autor(a) principal: Teles,Maria Eloíza de Oliveira
• Data de Publicação: 2001
• Outros Autores: Ribeiro,Maria das Graças, Maruch,Sandra Maria das Graças, Ribeiro,Roseli Deolinda
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Revista Brasileira de Zoologia (Online)
• Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000100013
• topic: Domestic dove; morphological aspects; histochemistry; cloaca

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.