Research Article

Distribution and Structure of Purkinje Fibers in the Heart of Ostrich (Struthio camelus) with the Special References on the Ultrastructure

Figure 5

Photomicrograph from the microscopic location of the sinoatrial node (SAN), showing P cells (P), transitional cells (T), and intermediate (I). Arrow—endothelial cells in surface sinuatrial valve of the sinus venosus, Green Masson’s Trichome.
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