Macroscopic and Microscopic Anatomy of the Oviduct in the Sexually Mature Rhea (Rhea americana)

@article{Parizzi2008MacroscopicAM,
  title={Macroscopic and Microscopic Anatomy of the Oviduct in the Sexually Mature Rhea (Rhea americana)},
  author={Rog{\'e}rio C{\'e}sar Parizzi and J. Martins dos Santos and M. F. de Oliveira and Mariana Oliveira Maia and Jos{\'e} Adalmir Torres Sousa and Mar{\'i}a Ang{\'e}lica Miglino and Tatiana Carlesso dos Santos},
  journal={Anatomia},
  year={2008},
  volume={37}
}
The morphological characteristics of the oviduct of 12 sexually mature rheas (Rhea americana) were studied. Only the left oviduct is developed as a long tube with a length of 122 ± 23.1 cm, and is subdivided into infundibulum (15.2 ± 4.0 cm), magnum (63.3 ± 9.4 cm), isthmus (5.6 ± 3.1 cm), uterus (16.0 ± 4.2 cm) and vagina (11.5 ± 1.4 cm). The mucous membrane of the oviduct, as a whole, possesses luminal folds covered by ciliated columnar epithelium with secretory cells. The infundibulum part… Expand
The Microstructure of Oviduct in Laying Turkey Hen as Observed by Light and Scanning Electron Microscopies
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A gross anatomical and histo-morphological study of the vagina of the emu (Dromaius novaehollandiae) and ostrich (Struthio camelus)
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Differences in the cellular composition of the vaginal epithelium were observed at the transmission electron microscope level and a similarity in the gross anatomical and scanning electron microscope features of the vagina in the emu and ostrich are shown. Expand
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Nine mature female ostriches (Struthio camelus) aged 37- 49 months were used for the present study and it was revealed that the lining epithelium of the oviduct is folded and formed of pseudostratified columnar ciliated cells. Expand
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Glycosylation of the reproductive tract of an adult female Red-necked ostrich carrying a fully formed calcified egg in her uterus when accidently killed by a blow to the head, was examined using lectin histochemistry on samples from the infundibulum, magnum, uterus and vagina. Expand
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The analyses indicated that the mean weigth, length as well as width of the five regions of the oviduct in mature hen were significantly differences greater than in duck, and noticed that increase from immature parameters to mature ages in hens and duck, but in heens parameters the increases was higher significant. Expand
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Gross and Histomorphological Study of the Ovary and Oviduct of Turkey Hen with Especial Emphasis on the Sperm-Host Gland
Turkey bird is one of the popular poultry species which is reared primarily for meat production and considered as one of the major sources of animal protein. With such importance of this species,Expand
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References

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The mucous membrane of the infundibulum and magnum of the hen's oviduct is modified for the receipt and fertilization of the yolk and the elaboration of the bulk of the solid material making up theExpand
Morphological Features of the Luminal Surface of the Magnum in the Sexually Immature Ostrich (Struthio camelus)
TLDR
It is suggested that ovarian activity and changes in daylength have a profound effect on the surface features of the magnum in the immature ostrich. Expand
SEM preparation and observations of the hen's oviduct
TLDR
The surface patterns of the oviduct of Gallus domesticus were examined by scanning electron microscopy (SEM) using several preparatory techniques to demonstrate the deeper mucosal folds and submucosal tubular system. Expand
Sperm-storage tubules in the vagina of the ostrich (Struthio camelus).
TLDR
Sperm-storage tubules were located in a 200-mm-wide band of the vagina adjacent to the utero-vaginal junction and contained a basal nucleus and displayed extensive apical junctional complexes. Expand
The topography of the thoraco-abdominal viscera in the ostrich (Struthio camelus).
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The topography of the thoraco-abdominal viscera in the ostrich was studied in 20 birds varying in age from 2 weeks to 12 months. The lungs occupied the dorsal third of the thorax, and the heart layExpand
Histochemistry of the utero-vaginal junction with special reference to the sperm-host glands in the oviduct of the domestic duck.
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  • Chemistry, Medicine
  • Folia histochemica et cytochemica
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The "utero-vaginal junction" that connects the uterus and vagina of duck oviduct differs histologically and histochemically from the adjacent zones. The region is characterised by low, somewhatExpand
Observations on the development and structure of the vitelline membrane of the hen's egg: an electron microscope study.
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Stages in the development of the outer layer of the vitelline membrane of a hen's egg have been observed in an egg found in the infundibulum of a sacrificed White Leghorn hen. Tissue from theExpand
Structure of the avian oviduct with emphasis on sperm storage in poultry.
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  • Biology, Medicine
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TLDR
The avian oviduct functions as a biological assembly line, beginning sequentially with the deposition of the albumen around the fertilized or unfertilized ovum, then the shell membrane, and lastly, the shell, within 25 hr of ovulation. Expand
The fine structure of the secretory cells of the uterus (shell gland) of the chicken
TLDR
The secretory processes in the shell gland of laying chickens were the subject of this study and it was postulated that the microvilli of both cells are active in the production of the cuticle of the shell. Expand
Evidence of sperm storage in the female ostrich.
TLDR
Sperm storage occurs in ostrich hens and fertile eggs can be laid for at least 5 to 8 days after copulation, and further studies are required to demonstrate the maximum period during which stored sperm are capable of successful fertilization. Expand
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