| 单词 | t2* |
| 释义 | T2*T2*An MRI term for the time constant for the loss of phase coherence among spins oriented at an angle to the static magnetic field, which is due to a combination of magnetic field inhomogeneities and spin-spin relaxation, resulting in a rapid loss of transverse magnetisation and the MRI signal. The value of T2* is < T2. |
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