Ventricle (Heart)
In the
heart
, a
ventricle
is a chamber which collects
blood
from an
atrium
(another heart chamber) and
pumps
it out of the heart. In a four-chambered heart, such as that in
humans
, there are two ventricles: the right ventricle pumps blood into the
pulmonary circulation
for the
lungs
, and the left ventricle pumps blood into the
systemic circulation
for the rest of the body. (See
Double circulatory system
for details.) Ventricles have thicker walls than the atria, and thus can withstand the higher
blood pressure
.
See also:
Cardiology
Ventricular action potential
Arrhythmogenic right ventricular dysplasia
Premature ventricular contraction
Ejection fraction
Ventricular tachycardia
Ventricular fibrillation
Ventricular septal defect
Ventricular assist device
(VAD), a temporary 'blood-pumping' device for patient use while the heart is 'healing' or 'being fixed'
Pulmonary hypertension
, which often leads to
hypertrophy
of the right ventricle (
Ventricular hypertrophy
)
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