en sinoatrial node (n)
― IsA ⟶
Weight: 1.0
en group of cardiac myocytes (n) Source: OpenCyc 2012
en sinoatrial node (n)
― IsA ⟶
Weight: 1.0
en semisolid (n) Source: OpenCyc 2012
en sinoatrial node (n)
― IsA ⟶
Weight: 1.0
en internal body part (n) Source: OpenCyc 2012