Functional imaging
Functional Imaging
Functional imaging (pronunciation: /ˈfʌŋkʃənəl ˈɪmɪdʒɪŋ/) is a branch of medical imaging that is used to evaluate physiological functions of the body's organs and tissues. It is a non-invasive method that allows doctors to observe the body's metabolic processes in real time.
Etymology
The term "functional imaging" is derived from the English words "function" and "imaging". "Function" comes from the Latin functio meaning "performance, execution", and "imaging" comes from the Latin imago meaning "picture, representation".
Related Terms
- Magnetic Resonance Imaging (MRI): A type of functional imaging that uses magnetic fields and radio waves to create detailed images of the organs and tissues within the body.
- Positron Emission Tomography (PET): A type of functional imaging that uses a radioactive substance called a tracer to look for disease in the body.
- Computed Tomography (CT): A type of functional imaging that uses x-rays to create detailed images of the body.
- Single Photon Emission Computed Tomography (SPECT): A type of functional imaging that uses a radioactive substance and a special camera to create 3D pictures of certain organs in the body.
- Functional Magnetic Resonance Imaging (fMRI): A type of functional imaging that measures brain activity by detecting changes associated with blood flow.
See Also
External links
- Medical encyclopedia article on Functional imaging
- Wikipedia's article - Functional imaging
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