These obstruct the flow of blood and fluids in the kidneys and can ultimately lead to kidney failure, coma and death.

This triggers a cascade of events that leads to clot enlargement, which may quickly obstruct the flow of blood.

Plus, we accept only full-page advertisements and place them carefully, so you'll never find an ad obstructing the flow of an article as you read.

But if it misdirects investment resources to where they are less productive, it reduces production in the real economy by obstructing the flow of credit altogether.

Also, a family friend, aged just 12, died recently from hypertrophic cardiomyopathy, an enlargement of the left ventricle that obstructs the flow of blood and can cause cardiac arrest.

He thought that sand particles would obstruct the passage of salt in the water.

The word now also describes a variety of structures to control or direct road traffic, such as posts arranged in a line to obstruct the passage of motor vehicles.

The construction of locks (or weirs and dams) on rivers obstructs the passage of fish.

He found the navigator's table obstructing his passage.

Three juveniles have been charged with obstructing the police.

He was also found guilty of obstructing a police officer.

Those self-styled protesters who have padlocked and positioned themselves in defence of some spurious principle are guilty not only of obstructing the police, but also of self-indulgent ignorance.

The activists face charges of sedition in connection with a demonstration that allegedly obstructed a police raid.

Anyone who refused to give their name or explain what they were doing could be charged with obstructing the police and fined up to 5,000.

Nobody could take in umbrellas, rollerblades, fireworks, radios or even signs that might obstruct the view.

Just before it happened we thought about putting our chairs behind them so as not to obstruct their view but decided against it.

In such places, holding up a phone could obstruct the view for others.

You can't put appliances, cabinets or shelving along the glazed wall — even a sofa will obstruct the view.

Small ones are fine, unless they obstruct the view of other spectators.

A new access cannot be made into the public highway if it might seriously obstruct traffic on the main road.

Her wreck was partially salvaged in 1926, and moved into a position in the northeastern end of the harbour where it would not obstruct traffic.

Residents reported they were eating garden flowers and obstructing traffic.

They were fined for obstructing traffic.

While residents generally appreciate the local wildlife, it can be a nuisance, obstructing traffic and making a lot of noise in the early morning.