ウシの右大動脈弓5例の形態学  [in Japanese] Morphology of the Right Aortic Arch in Five Cattle  [in Japanese]

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Abstract

心大血管奇形のウシ554例中5例(0.9%)に右大動脈弓が認められた。それらは宮崎大学で剖検されたウシ5144例中の5例であった。症例1は完全内臓逆位で,心臓と大血管は正常の鏡像を示していた。他の4例は心房と腹腔内臓は正位であった。症例2では腕頭動脈から起始した左鎖骨下動脈は食道の背面を左走し,不完全な血管輪を形成していた。症例3と4の左鎖骨下動脈は腕頭動脈から起始し,気管の腹方を横切っていた。症例5の左鎖骨下動脈は大動脈弓の最終枝として起始し,食道の背面を横切っていた。さらに症例5の左動脈管は肺動脈幹の分岐部と大動脈弓の末梢部を結合し,気管と食道を囲む完全な血管輪が形成されていた。

Among 544 cattle with congenital cardiovascular anomalies, five cases (0.9%) had the right aortic arch. They were five cases (0.1%) in a series of 5144 cattle necropsied at the Miyazaki University. Case 1 was complete heterotaxia and its heart and great vessels showed a mirror image of the normal. The other four had the situs solitus of the atria and abdominal organs. In case 2 the left subclavian artery originating from the brachiocephalic trunk, passed across the dorsal aspect of the esophagus over to the left side and formed an incomplete vascular ring. In cases 3 and 4 the left subclavian artery originating from the brachiocephalic trunk, crossed ventral to the trachea. In case 5 the aberrant left subclavian artery arose as the last branch of the aortic arch and passed across the dorsal surface of the esophagus. Moreover the left ductus arteriosus in this case connected the bifurcation of the pulmonary trunk with the distal part of the aortic arch, and a complete vascular ring was formed around the esophagus and trachea.

Journal

  • Advances in Animal Cardiology

    Advances in Animal Cardiology 33(2), 55-60, 2000-12-01

    Japanese Society of Veterinary Cardiology

References:  28

Cited by:  1

Codes

  • NII Article ID (NAID)
    10008286362
  • NII NACSIS-CAT ID (NCID)
    AN10192925
  • Text Lang
    JPN
  • Article Type
    Journal Article
  • ISSN
    09106537
  • NDL Article ID
    5757738
  • NDL Source Classification
    ZR22(科学技術--農林水産--畜産)
  • NDL Call No.
    Z18-1508
  • Data Source
    CJP  CJPref  NDL  IR  J-STAGE  JASI 
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