The development of the human body; a manual of human embryology . Fig. 134.—Diagrams showing the Development of the Auriculo-ventricular , Muscular trabecular; cht, chords tendinese; mk and mkl, valve; pm, musculus papillaris; tc, columnar carneae; v, ventricle.— (From Hertwig, after Gegenbaur.) the columnce carneoz of the adult heart. Other bundlesmay retain a transverse direction, passing across the ven-tricular cavity and forming the so-called moderator bands;while others, again, retaining their attachment to thevalves, condense only at their lower ends to form the mus-culi papillar
The development of the human body; a manual of human embryology . Fig. 134.—Diagrams showing the Development of the Auriculo-ventricular , Muscular trabecular; cht, chords tendinese; mk and mkl, valve; pm, musculus papillaris; tc, columnar carneae; v, ventricle.— (From Hertwig, after Gegenbaur.) the columnce carneoz of the adult heart. Other bundlesmay retain a transverse direction, passing across the ven-tricular cavity and forming the so-called moderator bands;while others, again, retaining their attachment to thevalves, condense only at their lower ends to form the mus-culi papillares, their upper portions undergoing conversioninto strong though slender fibrous cords, the chordae ten-dinece (Fig. 134). The endocardial lining of the ventricles is at first a sim-ple sac separated by a distinct interval from the myocar- THE HEART. 259
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectembryol, bookyear1902
