Mindblown: a blog about philosophy.

A device made of lights placed behind a translucent screen and used to provide backlighting for a radiographic image. It helps clinicians see the brightness, contrast, and details of an image. Also known as an illuminator.  

A body part as seen by an x-ray film or other recording medium.  

A branch from the sphenopalatine ganglion.  

The artery passing through the pterygoid canal.  

A closed-circuit television recording technique used to obtain images while the field is illuminated by use of a stroboscope. Using this provides sequential views of objects in motion.  

Diagnosis using data and radiographic images transmitted by the use of television.  

The simultaneous use of digital video recording and 16-channel electroencephalography. It is used as a diagnostic aid in refractory epilepsy and may help confirm a diagnosis of psychogenic seizures.  

A terminal used in information processing (computer terminal) and entertainment (TV picture tube) that produces an image on a screen (target) by bombarding it with electrons. This causes the fluorescent material that coats the screen to emit light. The effects on workers involved with the use of VDTs have been investigated with respect to a…

A brief, recorded, viewable file linked to a website or an electronic message used to educate students or to relay visual information, e.g., from real-time ultrasonography or angiography, from one user to another.