Literaturdatenbank
Literaturdatenbank |
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Palmieri, C., Selleri, P., Di Girolamo, N., Montani, A., & Salda, D. L. (2013). Multiple congenital malformations in a dicephalic spur-thighed tortoise (testudo graeca ibera). Journal of Comparative Pathology, In Press, corrected proof.
Added by: Admin (06 Jan 2014 18:23:03 UTC) |
| Resource type: Journal Article DOI: http://dx.doi.org/10.1016/j.jcpa.2012.11.244 BibTeX citation key: Palmieri2013 View all bibliographic details  |
Categories: General Keywords: Morphologie - morphology, Schildkröten - turtles + tortoises, Testudinidae, Testudo graeca Creators: Di Girolamo, Montani, Palmieri, Salda, Selleri Collection: Journal of Comparative Pathology |
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| Abstract |
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Testudinidae A 22-day-old dicephalic spur-thighed tortoise (Testudo graeca ibera) died following a history of lethargy, anorexia and absence of defecation. The two heads were anatomically similar with independent reaction to external stimuli. The carapace showed doubled first and extra second vertebral scutes. Radiography and transplastronal ultrasonography, performed when the animal was alive, revealed two symmetrical stomachs and two asynchronous hearts. These findings were confirmed by necropsy examination. Oesophagus, liver, gallbladder and trachea were also duplicated. Other malformations included pyloric valve atresia of the left stomach, focal stenosis of the transverse colon and liver hypoplasia. Dicephalism rarely occurs in Testudinidae and its pathogenesis, still unclear, is discussed.
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