| focal dystonia |
Focal dystonia is a hand condition in which the fingers either curl into the palm or extend outward without control. This is caused by misfiring of neurons, causing the contractions. Though most times painless, there are many instances when the condition does indeed cause pain for the patient. It is worth noting that focal dystonia often affects those who rely on fine motor skills-musicians, writers, surgeons, etc. ...
출처: en.wikipedia.org/wiki/Focal_dystonia
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| focus |
The focus, or focal point of a lens or parabolic mirror is the point onto which collimated light parallel to the axis is focused. Although the focus is conceptually a point, physically, the focus has a spatial extent, called the Airy disc, or blur circle, due to the width of the aperture of the imaging optics. The focus of an elliptic mirror is either of two points at which light from one point converges on the other. ...
출처: en.wikipedia.org/wiki/Focus_(optics)
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| focal point |
the point of a room that draws attention
출처: www.geocities.com/diycat/resources/decorating_glos...
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| focal |
In terms of cancer, limited to a specific area.
출처: www.stjude.org/glossary
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| foci |
The two points symmetrically located on the major axis of an ellipse either side of the center.
출처: highered.mcgraw-hill.com/sites/0072480823/student_...
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