aortic

In one paper, with the running page heading of "the cocaine paradox," we presented evidence that in aortic strips of rabbit and isolated electrically-driven atria from guinea pig and cat, cocaine potentiated responses to norepinephrine and inhibited those to tyramine by blocking one and the same site on adrenergic nerve terminals.

Robert F. Furchgott - Autobiography 1999

He knew that nitroglycerine activated an enzyme in aortic muscle cells, guanylylcyclase, which increased cyclic GMP and caused relaxation.

The Nobel Prize in Physiology or Medicine 1998 - Presentation Speech 1998

Nearly 10% of people older than 65 suffer from an ailment called aortic stenosis, narrowing of the valve that releases a big surge of blood into the heart's major artery, the aorta.

New heart valve holds promise and stroke risk 2011

Nearly 10% of people older than 65 suffer from an ailment called aortic stenosis, narrowing of the valve that releases a big surge of blood into the heart's major artery, the aorta.

New heart valve holds promise and stroke risk 2011

When the valve doesn't open and close properly, a progressive condition known as aortic stenosis, a person may experience chest pain, shortness of breath and difficulty exercising.

New Way to Treat Deadly Heart Problem 2010

RISK FACTOR: Aortic dissections are often proceeded by an enlargement of the first part of the aorta where it comes out of the heart, called an aortic aneurysm.

With Love and Laughter, John Ritter Amy Yasbeck 2010

In the study addressed yesterday, Vytorin was tested against a placebo in patients with a condition known as aortic stenosis, a calcification of the heart valve that is increasingly common among elderly patients and leads to congestive heart failure and death.

More Vytorin Bad News 2008

The new study showed that the cholesterol drug Vytorin, created by pharmaceutical company Merck, failed to improve a heart valve condition called aortic stenosis, which, left untreated, can lead to serious heart problems.

Do Vytorin���s Risks Outweigh Its Benefits? 2008

Between the origin of the left subclavian artery and the attachment of the ductus arteriosus the lumen of the fetal aorta is considerably narrowed, forming what is termed the aortic isthmus, while immediately beyond the ductus arteriosus the vessel presents a fusiform dilation which His has named the aortic spindle—the point of junction of the two parts being marked in the concavity of the arch by an indentation or angle.

VI. The Arteries. 2. The Aorta 1918

At its origin it presents, opposite the segments of the aortic valve, three small dilatations called the aortic sinuses.

VI. The Arteries. 2. The Aorta 1918