The first biohybrid model of human ventricles has been used to answer a centuries-old question. Unlike other organs, the heart cannot repair itself after injury, so being able to engineer an entire ...

In hypertension, increased pressure in the arteries can eventually cause the heart’s left ventricle to thicken (left ventricular hypertrophy) and the left atrium to enlarge in response.

The left-hand side pumps oxygenated blood around the body. Each side of the heart consists of an atrium and a ventricle which are two connected chambers. The atria (plural of atrium) are where the ...