What does ventricular mean?
“Ventricular” is a medical and scientific adjective meaning relating to a ventricle. The term is used especially in two important anatomical contexts: the chambers of the heart and the connected cavities within the brain. In cardiology, ventricular describes the heart's two lower chambers, the left and right ventricles, which pump blood into the arteries and receive it from the atria. Conditions such as ventricular fibrillation, ventricular tachycardia, and ventricular septal defects are named for the structures they affect. In neurology, the ventricles are cavities that produce and circulate cerebrospinal fluid, so ventricular can describe properties or disorders involving this system. The word is formal and primarily found in medical, anatomical, and research contexts. Although it may look similar to “ventral,” which describes the front or belly side of an organism, “ventricular” specifically points to the anatomical structures called ventricles.
adjectiveRelating to or affecting a ventricle, especially one of the heart's muscular chambers or one of the cavities of the brain.
- Relating to or affecting a ventricle of the heart or brain.
"The ECG showed an abnormality in the left ventricular wall."
"The ECG showed an abnormality in the left ventricular wall."
"Researchers studied ventricular fluid flow in the developing brain."
The heart has four chambers, but only its two lower chambers are ventricles.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does ventricular come from?
“Ventricular” comes through Latin from “ventriculus,” a diminutive of “venter,” meaning belly, cavity, or womb. In anatomical terminology, “ventricle” originally referred to an internal cavity and was later applied to chambers of the heart and spaces in the brain. English “ventricle” and the adjective “ventricular” reflect this Latin vocabulary, with “ventral” also deriving from the same Latin root.
Related word forms
How ventricular is actually used
This is a technical medical and scientific adjective, usually used attributively. In cardiology it refers to the heart's lower chambers; in neurology it refers to the cavities within the brain that contain cerebrospinal fluid.
Easily confused with ventricular
Ventral means toward the front or belly side of an organism, whereas ventricular means relating to a ventricle.