Assertion: cardiac muscle's cell | /r/CapableOf | produce action potentials
Facets:
value: without external stimulation by nerve cells
type: OTHER
value: spontaneously
type: MANNER
Source sentences:
text: These cells, unlike most other cells within the heart, can spontaneously produce action potentials.
text: These cells are self‐excitable, able to generate an action potential without external stimulation by nerve cells.
text: Cardiac cells have two refractory periods, the first from the beginning of phase 0 until part way through phase 3; this is known as the absolute refractory period during which it is impossible for the cell to produce another action potential.