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Monday, March 24, 2008

What is MRI Scan

Magnetic Resonance Imaging (MRI) Scan is the latest system to scan and analyze the functions of human body. Normally MRI scanning is used to find brain diseases. MRI is used to scan all organs in our body very successfully. But MRI scanning is harmful to pregnant ladies. MRI Scanning is more secure than X-rays and CT scan. An electromagnetic radiation is used in MRI scanner. If atoms comes in a high electromagnetic field the nucleus of each atom produces radio signals, these signals are fed to a computer and creates an image of internal body parts. The good cells and weak cells produces different type of radio waves. Working of MRI scanner is depend upon the different types of radio waves from the cells. In 1977 Raeymond V Damadian make a MRI scanner and he named it as Indomitable.

1 comments:

neo March 29, 2008 at 10:27 AM  

great idea of blog......... ;)