SEM, TEM, and IHC Analysis of the Sinus Node and Its Implications for the Cardiac Conduction System

<table>CD34 expression in the cell population of the SN (ICH, CD 34, <i>red</i> color, ×400).</table>

Anatomy Research International

Figure 5: SEM, TEM, and IHC Analysis of the Sinus Node and Its Implications for the Cardiac Conduction System 