BioMed Research International / 2015 / Article / Fig 4

Research Article

Distention of the Immature Left Ventricle Triggers Development of Endocardial Fibroelastosis: An Animal Model of Endocardial Fibroelastosis Introducing Morphopathological Features of Evolving Fetal Hypoplastic Left Heart Syndrome

Figure 4

In comparison, the distended LV model using a 2-week-old donor. (a) A photograph of a transplanted donor heart in situ. (b) Representative echo images showing the apical long axis view of the LV. An AR jet was detected in a 2D echocardiography with color Doppler. (Ao: aorta). (c) Representative Hematoxylin and Eosin- and Masson’s Trichrome-stained slides sectioned along the short axis. Collagen-rich fibrous layers (stained in blue) are seen in the subendocardial layer of a 2-week-old donor heart. (d) A Masson’s Trichrome-stained slide from a neonatal donor heart for comparison. Fibrous layers are located on the endocardial surface of the LV. Black scale bar, 1 mm; white scale bar, 200 μm.

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