Bony Pits in the Ostrich (Struthio camelus ) and Emu (Dromaius novaehollandiae ) Bill Tip
نویسندگان
چکیده
منابع مشابه
Morphological features of Herbst corpuscles in the oropharynx of the ostrich (Struthio camelus) and emu (Dromaius novaehollandiae).
The distribution of Herbst corpuscles in the oropharynx of the ostrich and emu has recently been documented. However, although the morphology of these mechanoreceptors is well known in neognathous birds, little structural information is available on the Herbst corpuscles of ratites. Tissue sections from those regions of the oropharynx known to possess a high concentration of Herbst corpuscles w...
متن کاملComparative distribution and arrangement of Herbst corpuscles in the oropharynx of the ostrich (Struthio camelus) and emu (Dromaius novaehollandiae).
Herbst corpuscles are widely distributed throughout the oropharynx of the ostrich and emu in contrast to the general situation in birds. Knowledge of the comparative distribution of Herbst corpuscles in the oropharynx of these two commercially important ratite species may assist in a better understanding of their feeding habits. Tissue sections representing all parts of the oropharynx of five o...
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Distinct phenotypic sexual dimorphism servers as one of the key factors that can enable one to categorize the individual to a particular sex. However in case of ratite bird emu (Dromaius novaehollandiae) this phenotypic distinctness between males and females is less evident and careful observation of adult birds would help to identify the sexes. Other methods of sex identification such as the s...
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Today, with emphasis on the mechanical heart and heart transplantation from one human to another andone species to another, a knowledge of the anatomy of the bird’s heart could contribute to theseaccomplishments. Eight male adult ostriches were used to study the heart macroscopically. This studyrevealed that the ostrich heart has some different features from the other birds. In the ostrich, fib...
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ژورنال
عنوان ژورنال: The Anatomical Record
سال: 2017
ISSN: 1932-8486
DOI: 10.1002/ar.23594