Examlex
The coronal suture forms an immovable joint between the parietal bones and this bone.
Ventricles
Cavities within the brain that produce and contain cerebrospinal fluid, playing a crucial role in cushioning the brain and maintaining intracranial pressure.
First Heart Sound
The sound produced by the closure of the AV (mitral and tricuspid) valves at the beginning of ventricular contraction or systole.
Second Heart Sound
The second heart sound is produced by the closing of the aortic and pulmonary valves at the beginning of ventricular diastole.
Ventricular Systole
The phase of the cardiac cycle in which the ventricles contract, pumping blood out of the heart into the arterial system.
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