Thus the time period elapsing between the first heart sound and second sound defines systole (ventricular ejection) and the time between the second sound and the following first sound defines diastole (ventricular filling).
the substantive limitations placed on the content or subject matter of state and federal laws by the due process clauses of the fifth and fourteenth amendments to the u s constitutionin general substantive due process prohibits the government from infringing on fundamental constitutional libertiesby contrast procedural due process refers to the procedural limitations placed on the manner in which a law is administered applied or enforcedn general substantive due process prohibits the government from infringing on fundamental constitutional liberties by contrast procedural due process refers to the procedural limitations placed on the manner in which a law is administered applied or enforced
/preÂ·curÂ·sor/ (preÂ´kur-ser) something that precedes. In biological processes, a substance from which another, usually more active or mature, substance is formed. In clinical medicine, a sign or symptom that heralds another.precurÂ´sory.preÂ·curÂ·sor/ (preÂ´kur-ser) something that precedes. In biological processes, a substance from which another, usually more active or mature, substance is formed. In clinical medicine, a sign or symptom that heralds another.precurÂ´sory.