Examlex
The emission and absorption lines of a given atom occur at the exact same energies.
Systole
The stage in the heart's rhythm where the cardiac muscle tightens, forcing blood out of its chambers and into the arterial network.
Premature Atrial Contractions
A common cardiac arrhythmia characterized by early heartbeats originating in the atria, leading to irregular heart rhythms.
Brachiocephalic
Relating to or involving both the arm and the head, often used to describe certain arteries or veins that supply blood to these areas.
Tibial
Pertaining to the tibia, the larger and stronger of the two bones in the lower leg.
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