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Heart Valves

Heart Valves

The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...

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Related Experiment Video

Updated: May 20, 2025

A Rabbit Aortic Valve Stenosis Model Induced by Direct Balloon Injury

A Rabbit Aortic Valve Stenosis Model Induced by Direct Balloon Injury

Published on: March 31, 2023

Educational Case: Aortic valve stenosis

Steven Gamss¹, Menachem M Gurevitz², Daniel Miller³

¹Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA.

Academic Pathology

|March 24, 2025

Summary

No abstract available in PubMed .

Keywords:

Adaptation Aortic stenosis Cardiovascular-heart Cellular response to injury Hypertrophy Organ system pathology Pathology competencies Valvular dysfunction

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