Anatomical configuration of the His bundle and bundle branches in the human heart.
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چکیده
منابع مشابه
Anatomical configuration of the His bundle and bundle branches in the human heart.
The relationships among the His bundle, the origin of both bundle branches, and the interventricular (IV) septum were examined histologically in 32 human hearts, and the entire bundle branch systems were delineated in 13 of these. The His bundle in five hearts traversed the right IV septal crest, and the LBB origin was a very narrow stem (maximum 1.5 mm in cross-section) crossing from right to ...
متن کاملHIS BUNDLE AND BUNDLE BRANCHES/Massing, James References
1. Clark J, Plonsey R: A mathematical evaluation of the core conductor model. Biophys J 6: 95, 1966 2. Weidmann S: The diffusion of radiopotassium across the intercalated disks of mammalian cardiac muscle. J Physiol 187: 323, 1966 3. Sperelakis N, Hoshiko T, Berne RM: Nonsyncytial nature of cardiac muscle: membrane resistance of single cells. Am J Physiol 198: 531, 1960 4. Plonsey R: Bioelectri...
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The A-V node, bundle and bundle branches were grossly dissected in 41 human hearts. The method for this dissection is described. Given also are the sizes of the individual structures with advancing age. These structures grow more slowly than the remainder of the myocardium. T HE dissectability of the A-V node, bundle, and bundle branches in the human heart has been questioned. Retzer1 originall...
متن کاملNormal blood supply to the human His bundle and proximal bundle branches.
The three major coronary arteries of 10 normal human hearts were injected with differentially colored gelatin mass for histologic determination of the blood supply to the His bundle and proximal bundle branches. The His bundle was dually supplied by the A-V node artery and the first septal branch of the left anterior descending artery in nine hearts, but entirely by the A-V node artery in one. ...
متن کاملHistological study of the atrioventricular node and bundle in the heart of ovine fetus
This study was conducted on the atrioventricular node (AVN) and atrioventricular bundle (AVB) of fivefour-month-old ovine fetuses. The histological structure of these components was studied by routinehistological techniques and use of specific staining methods. The AVN was caudally located adjacent to theroot of the aorta. It was almost spherical in shape and consisted of twisty cells. The node...
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ژورنال
عنوان ژورنال: Circulation
سال: 1976
ISSN: 0009-7322,1524-4539
DOI: 10.1161/01.cir.53.4.609