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Review
. 2002 Jan 5;324(7328):35.
doi: 10.1136/bmj.324.7328.35.

Magnetic resonance imaging

Abi Berger
Review

Magnetic resonance imaging

Abi Berger. BMJ. .
No abstract available

PubMed Disclaimer

Figures

Figure
Figure
The hydrogen proton can be likened to the planet earth, spinning on its axis, with a north-south pole. In this respect it behaves like a small bar magnet. Under normal circumstances, these hydrogen proton “bar magnets” spin in the body with their axes randomly aligned.
Figure
Figure
When the body is placed in a strong magnetic field, such as an MRI scanner, the protons' axes all line up. This uniform alignment creates a magnetic vector oriented along the axis of the MRI scanner.
Figure
Figure
T1 weighted axial pelvis
Figure
Figure
T2 weighted axial pelvis
See this image and copyright information in PMC