This forms a mechanical barrier to further reflux.

Antibiotic prophylaxis is necessary in the presence of mechanical barriers to reduce the risk of possible infections.

Often only a mechanical barrier (e-collar) is successful in keeping the afflicted parrot from completely stripping all but its head of feathers.

The "card" the driver had referred to probably triggered the mechanical barrier to the underground garage.

The basement membrane acts as a mechanical barrier, preventing malignant cells from invading the deeper tissues.

Light curtains can be used as an alternative to mechanical barriers and other forms of traditional machine guarding.

The sphincter of Oddi acts as a mechanical barrier.

It's the little stuff that counts, like the scooter patrols and mechanical barriers.

There was no hint of any mechanical or metapsychic barrier around her.

Skin provides a mechanical barrier to the external environment and acts to prevent the ingress of infectious agents.