Category: O

Allowing the film to remain in the developer for a duration longer than the standard or pre-set time. This action results in a reduction in radiographic contrast and an increase in radiographic density.  

The secondary portion of a transformer or electrical device.  

The antithesis of being in-phase. It refers to periodic motions that do not occur simultaneously in each component. Being one hundred eighty degrees out-of-phase indicates that they are precisely opposite to each other at any given time.  

The fifth electron shell surrounding the nucleus of an atom, housing electrons distinguished by the principal quantum number 5.  

A grid that undergoes motion during the exposure, also known as a reciprocating grid.  

The voltage utilized in this treatment ranges from 200 to 250 kilovolts peak (kVp). This particular type of treatment is primarily employed for addressing lesions situated at depths considerably beneath the surface of the skin.  

A remarkably sensitive television camera employed for fluoroscopic image intensification. It belongs to the category of television pick-up tubes, typically measuring three or four inches in diameter and 15 to 18 inches in length. This camera encompasses a photo-multiplier section that ensures exceptional sensitivity to low levels of light.  

The Siemens X-ray unit is designed specifically for conducting survey and precision detail radiography of the skull and small bones of the skeleton. It can be utilized with patients positioned either in a recumbent or seated posture.  

The Picker multidirectional tomographic system is engineered to perform various types of tomographic slices, including hypocycloidal, trispiral, circular, rectilinear, transverse, longitudinal, and diagonal.  

An electron in motion, revolving around the nucleus of an atom in a specific orbit.