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    A comparative investigation of the morphologic relationship between true chordae tendineae and false chordae tendineae of the left ventricle in different species
    (Tubitak Scientific & Technological Research Council Turkey, 2003) Özbag, D; Kervancioglu, P; Saruhan, B; Tasdemir, S; Yilmaz, F
    Our purpose in this study was to investigate and compare the morphological relationship between the true chordae tendineae (CT) and the false chordae tendineae (FCT). One hundred and forty-seven hearts (8 humans, 23 dogs, 91 sheep, 25 goats) were investigated in our study. In terms of CT number, while the difference between humans and sheep and goats, and dogs and sheep and goats was significant statistically (p < 0.05), the difference between humans and dogs was less significant than the others. The difference between sheep and goats was not significant statistically (p > 0.05). The number of FCT were not significant (p > 0.05) in the other species while the difference between humans and dogs was significant statistically. The numerical relationship between CT and FCT was positive only in dogs (p = 0.006, r = 0.671), but the difference was not significant statistically (p > 0.05) in the other species. The greatest number of FCT ran from the papillary muscle to the septum, and the others ran from the anterior wall to the septum, the posterior wall to the septum, the septum to the septum and the papillary muscle to the papillary muscle. Histologically CT contain fibrous tissue, FCT contain fibrous or fibromuscular tissue and sometimes also contain conduction tissue and blood vessels. Arrhythmias can arise from FCT because they contain not only fibrous tissue but also muscular and conduction tissue.