Examlex
Which organization is included as a provision of the 1990 Farm Bill which helps landowners protect environmentally important forestlands from development?
P-R Interval
A measurement in electrocardiography representing the time between the onset of the P wave and the start of the QRS complex, related to atrial depolarization and AV nodal delay.
Ventricular Muscle
The muscle tissue that makes up the walls of the ventricles in the heart, responsible for pumping blood throughout the body.
Third Heart Sound
A very low-frequency heart sound that can be an indication of various heart conditions, often associated with heart failure.
Semilunar Valves
Valves in the heart that prevent the backflow of blood and are located between the ventricles and the major arteries.
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