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DictionaryventricleHeart chamber
noun

ventricle

VEN-trih-kul/ˈventrɪkl/

A fluid-containing chamber in the heart or brain.

The left ventricle pumps blood through the aorta to the body.

Accurate cutaway human heart, two lower muscular ventricles clearly visible, non-graphic educational anatomy.
Etymology
ventrLatinbelly
+icleLatinlittle

The pieces mean “little belly,” an anatomical image for a small cavity within an organ. In the heart, the name applies to a chamber that pumps blood outward.

In context

CrashCourse5:00
The right ventricle pumps blood through the pulmonary semilunar valve into the pulmonary trunk
The Heart, Part 1 - Under Pressure: Crash Course Anatomy & Physiology #25

More examples

  • The right ventricle sends blood to the lungs.
  • Cerebrospinal fluid flows through the ventricles of the brain.
  • The scan shows an enlarged ventricle in her brain.

Forms

ventricle · ventricles

ventricular adjective — Relating to a heart or brain ventricle.

Similar words

chamber
A broader term for an enclosed space, including heart compartments.
cavity
Any hollow space in the body, not specifically a ventricle.