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Registros recuperados: 4
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Morphological aspects of the ovary of Columba livia (Gmelin) (Columbidae, Columbiformes) Zoologia
Ribeiro,Maria das Graças; Teles,Maria Eloiza de Oliveira; Maruch,Sandra Maria das Graças.
The study of the female genital system of Columba livia (Gmelin, 1789) is part of the research on the reproductive biology of Brazilian birds. This work describes the morphological aspects of the ovary of Columba livia, as well as the histological differences observed in the ovarian follicles during the ovocyte maturation process. Ten Columba livia females were studied, whose ovaries had been dissected, fixed in Bouin and Helly solutions, and histologically processed for staining (Hematoxylin-Eosin; Gomori's trichromic and Weigert's technique and Gomori's technique for connective tissue fibers). The ovary has an irregular surface, is located in the abdominal cavity, and relates to the cranial portion of the left kidney and caudal extremity of the left...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Columbidae; Birds; Genital apparatus; Ovary.
Ano: 1995 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751995000100016
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Morphological and histochemical aspects of the epididymal region and ductus deferens of Columbina talpacoti (Temminck) (Columbidae, Columbiformes) Zoologia
Maruch,Sandra Maria das Graças; Ribeiro,Maria das Graças; Teles,Maria Eloiza de Oliveira.
The Columbina talpacoli (Temminck, 1811) dove, a small bird of the order Columbiformes, is abundant throughout Brazil and interacts closely with city inhabitants. This study describes the morphological and histochemical aspects of the epididymal region and ductus deferens of this species, comparing them with those of other bird species studied. It is believed that a better understanding of the reproductive biology of Columbina talpacoli could help to solve the ecological and sanitary problems involving these birds.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Columbidae; Columbiformes; Male genital; Epididymis; Efferent ductuli; Ductus deferens.
Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751998000200009
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Morphological study of the testes of the dove Columba livia (Gmelin) (Columbidae, Columbiformes) Zoologia
Maruch,Sandra Maria das Graças; Teles,Maria Eloiza de Oliveira; Ribeiro,Maria das Graças.
Known as "domestic dove", the Columba livia (Gmelin, 1789) is a columbidae species widely distributed in Brazil, whose reproductive biology has been studied by many researchers. The testes of 12 Columba livia males were collected and prepared for histologic examination under an optical microscope, the results of which were analysed and photographed. The tunica albuginea that covers the testes consists of a thick, not very cellular layer of dense connective tissue. Groups of interstitial cells with typical morphological appearance and surrounded by loose, well vascularized connective tissue are observable within the organ, between the seminiferous tubules. The seminiferous tubules are thick, intensely wound and, when seen in cross section, show Sertoli...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Columbidae; Birds; Genital apparatus; Testis.
Ano: 1995 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751995000100015
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Nesting behavior of the Picazuro Pigeon, Columba Picazuro (Columbidae, aves) BJB
ONIKI,Y.; WILLIS,E. O..
The Picazuro Pigeon nests in all months of the year in southeastern Brazil. Nest material is plucked from trees or ground and carried to build a frail and transparent nest of sticks where one egg is laid. Female and male alternate in incubation and brooding and do not soil the nest with feces.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nesting; Behavior; Columba picazuro; Columbidae; Aves.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71082000000400017
Registros recuperados: 4
Primeira ... 1 ... Última
 

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