ZFIN Image: Schulz et al., 2019, Fig. 1

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Figure Caption

Fig. 1

Atrioventricular (AV) valves of young adult (1-year old) zebrafish (ZF, left) and mice (right). AV valve leaflets are outlined by arrow heads. Large polygonal-shaped cells (triangles) are the main structural constituent of the base and mid-region of AV valves in ZF. In contrast, collagen-rich connective tissue without layering represents the basic structural unit in the basal aspects of AV valves in mice. In ZF, collagen and elastic material (arrows) is enriched in a thin layer on the atrial (inflow) aspect of the AV valve. An ubiquitous strong Alcian blue staining demonstrates presence of a proteoglycan/glycosaminoglycan-rich matrix. A trabecular band anchors to the ZF valve tip and extend down in the ventricle (star). Insets indicate the regions magnified on the further right photographs. Russel-Movat’s pentachrome stain (Movat), Azan stain, Weigert’s resorcin-fuchsin stain, and Alcian blue stain. Scale bar equals 25 µm in each photograph. Abbreviations: H&E, hematoxylin-eosin; a, atrium; v, ventricle.

Acknowledgments

This image is the copyrighted work of the attributed author or publisher, and ZFIN has permission only to display this image to its users. Additional permissions should be obtained from the applicable author or publisher of the image. Full text @ J. Histochem. Cytochem.