Active suppression is the other known mechanism of T cell tolerance.

Consequently, there are only two known mechanisms by which energy can be transferred.

There are no known physical mechanisms that trigger it, yet feeling close to God occurs in every age, among all peoples.

The known mechanisms for sound localizations make use of the time difference cues at the two ears.

Prenatal testing is possible for any of the known genetic mechanisms.

But he said there is a known mechanism, called reverse cholesterol transport, by which such an effect might work.

There are no known behavioral isolating mechanism between the two and hybrids do occur.

There is no known definitive single mechanism that causes colpocephaly.

There are several known mechanisms for regulation of Mdm2.

Also, there was one known mechanism for creating it: the universal background of spontaneous creations.