What are MRI rays? plz facilitate?
Please explain in a scientific form :) like 4 sentences plz?
Answers:
It's impressively complicated, so here is an extremely simplified version.
Very strong magnetic fields fashion the nucleus' of atoms line up.
A burst of energy is applied, which causes some of the atoms to flip and ooze a pulse.
This pulse can be detected and used to calculate the positions of different protons.
The process is repeated many times to give an overall picture.
Try Wikipedia for more information:
Magnetic Resonance Imaging (MRI), or nuclear compelling resonance imaging (NMRI), is primarily a medical imaging technique most commonly used in radiology to visualize the internal structure and function of the body. MRI provides much greater contrast between the different soft tissues of the body than computed tomography (CT) does, making it especially useful in neurological (brain), musculoskeletal, cardiovascular, and oncological (cancer) imaging. Unlike CT, it uses no ionizing radiation, but uses a powerful compelling field to align the nuclear magnetization of (usually) hydrogen atoms in water within the body. Radio frequency (RF) fields are used to systematically alter the alignment of this magnetization, causing the hydrogen nuclei to produce a rotating captivating field detectable by the scanner. This signal can be manipulated by additional alluring fields to build up enough information to construct an image of the body.[1]:36 Source(s): Wikipedia
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Answers:
It's impressively complicated, so here is an extremely simplified version.
Very strong magnetic fields fashion the nucleus' of atoms line up.
A burst of energy is applied, which causes some of the atoms to flip and ooze a pulse.
This pulse can be detected and used to calculate the positions of different protons.
The process is repeated many times to give an overall picture.
Try Wikipedia for more information:
Magnetic Resonance Imaging (MRI), or nuclear compelling resonance imaging (NMRI), is primarily a medical imaging technique most commonly used in radiology to visualize the internal structure and function of the body. MRI provides much greater contrast between the different soft tissues of the body than computed tomography (CT) does, making it especially useful in neurological (brain), musculoskeletal, cardiovascular, and oncological (cancer) imaging. Unlike CT, it uses no ionizing radiation, but uses a powerful compelling field to align the nuclear magnetization of (usually) hydrogen atoms in water within the body. Radio frequency (RF) fields are used to systematically alter the alignment of this magnetization, causing the hydrogen nuclei to produce a rotating captivating field detectable by the scanner. This signal can be manipulated by additional alluring fields to build up enough information to construct an image of the body.[1]:36 Source(s): Wikipedia
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