Cardiomycytes are muscle cells. I'm not up to date on heart anatomy, though. As I recall, it's true that cardiomycytes also perform some neuron-like functions,

Cardiomycytes are muscle cells. I'm not up to date on heart anatomy, though. As I recall, it's true that cardiomycytes also perform some neuron-like functions, but wasn't there a "pulse clock" bundle that's made up of neurons? Or are those still cardiomycytes?