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Paper Information

Journal:   IRANIAN JOURNAL OF VETERINARY MEDICINE (INTERNATIONAL JOURNAL OF VETERINARY RESEARCH)   2016 , Volume 10 , Number 2; Page(s) 151 To 156.
 
Paper: 

MONOCEPHALUS OMPHALOPAGUS (TETRABRACHIUS TETRAPUS) IN A LAMB

 
 
Author(s):  SHOJAEI B.*, NAZEM M.N., SAJJADIAN S.M., HASANZADEH M., JAFARI H.
 
* DEPARTMENT OF BASIC SCIENCES, VETERINARY MEDICINE FACULTY, SHAHID BAHONAR UNIVERSITY OF KERMAN, KERMAN, IRAN
 
Abstract: 

Caudal duplication is an abnormality which usually affects the digestive, urogenital and even respiratory systems. It forms a graded series from slight duplication to near separation of two fetuses caudocranially. In some conjoined twins, duplication process may cranially proceed up to the head region. This kind of developed conjoined monocephalus twin has been reported in many domestic species and is classified as thoracopagus or omphalopagus twins according to the presence of one or two hearts, respectively. A male dead conjoined monocephalus twin lamb attached from neck to thorax was used for this study.
Lateral and dorso-ventral digital radiography and anatomic dissection were performed on the case. The results showed that duplication process of the gastrointestinal tract interestingly prevented cranial to the midgut, while more cranial organs such as heart, lungs and even brain were seen duplicated. Duplication anomaly has been mostly reported cranially in cattle and caudally in sheep. Nevertheless, if duplication process does not occur completely, some body organs of the resulting conjoined twin will remain unduplicated. Duplication process of this case is thought to strengthen Spencer’s spherical theory.

 
Keyword(s): DUPLICATION, MONOCEPHALUS, OMPHALOPAGUS, LAMB
 
 
References: 
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APA: Copy

SHOJAEI, B., & NAZEM, M., & SAJJADIAN, S., & HASANZADEH, M., & JAFARI, H. (2016). MONOCEPHALUS OMPHALOPAGUS (TETRABRACHIUS TETRAPUS) IN A LAMB. IRANIAN JOURNAL OF VETERINARY MEDICINE (INTERNATIONAL JOURNAL OF VETERINARY RESEARCH), 10(2), 151-156. https://www.sid.ir/en/journal/ViewPaper.aspx?id=507708



Vancouver: Copy

SHOJAEI B., NAZEM M.N., SAJJADIAN S.M., HASANZADEH M., JAFARI H.. MONOCEPHALUS OMPHALOPAGUS (TETRABRACHIUS TETRAPUS) IN A LAMB. IRANIAN JOURNAL OF VETERINARY MEDICINE (INTERNATIONAL JOURNAL OF VETERINARY RESEARCH). 2016 [cited 2021September26];10(2):151-156. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=507708



IEEE: Copy

SHOJAEI, B., NAZEM, M., SAJJADIAN, S., HASANZADEH, M., JAFARI, H., 2016. MONOCEPHALUS OMPHALOPAGUS (TETRABRACHIUS TETRAPUS) IN A LAMB. IRANIAN JOURNAL OF VETERINARY MEDICINE (INTERNATIONAL JOURNAL OF VETERINARY RESEARCH), [online] 10(2), pp.151-156. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=507708.



 
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