Cartilage has been found to contain factors that can impede the formation of blood vessels.
Agricultural subsidies can be a blunt instrument that can impede progress and slow economic growth if they're wielded without precision and a specific cut-off date.
Many behavioral optometrists say that 20 to 25percentt of children overall have vision problems that can impede their ability to reach their potential.
"There's only one thing that can impede this renaissance, which is so remarkable and will grow so dramatically in the 21st century, and that's our ability to solve these problems.
If the plaque ruptures, by mechanisms that are poorly understood, platelets, the blood cells responsible for clotting, can stick to the wounded plaque, forming a clot that can impede blood flow.
The findings suggest that patients with the gene alterations might be helped by drugs that can impede the altered genes' effects, and they show how altered genes can amplify each other to cause disease.
There are many factors that can impede the opportunities of children from the most socially and educationally deprived backgrounds from ever having the opportunity to obtain a ticket for this game of chance.
The government is proposing sweeping changes in the rules covering research involving human subjects, an effort officials say would strengthen protections while reducing red tape that can impede studies.
He would, it appears, be a president who is intensely interested in issues (particularly foreign affairs) and open to conflicting opinions, but also impetuous at times and tolerant of the kind of internal churning that can impede orderly decision-making and keep aides on edge.
Fire officials determined on Tuesday that the Bronx row house where a 12-year-old boy and his parents died in a fast-moving fire a day earlier had been illegally subdivided, leading city officials to pledge a crackdown on a practice that can impede firefighters and imperil lives.
In reply to a query from The Times, he wrote: I'm a conservative because I believe conservatism is a right and wise political philosophy, one that does the most to encourage human flourishing, while liberalism — at least modern-day, reactionary liberalism — is a wrong and unwise political philosophy that can impede human flourishing.
