Sensory innervation of the heart.
D000320:Adrenergic Fibers / Q000502:physiology*; D000818:Animals; D006321:Heart / Q000294:innervation*; D006801:Humans; D009475:Neurons, Afferent / Q000502:physiology; D010146:Pain / Q000503:physiopathology*; D014630:Vagus Nerve / Q000502:physiology*