streaking


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streaking

1. a fault in radiographs caused by inadequate rinsing or dirty hangers.
2. the process of inoculating microorganisms onto agar media with a loop such that the inoculum is seeded at decreasing concentration across the media, resulting in isolated colonies of the microorganism.

focused grid streaking
a focused grid placed on the cassette upside down will cause streaking around the edges of the film.
References in classic literature ?
I'd rather be streaking along here behind a pair of fast-steppers.
Severity of streaking or splay can increase significantly when these factors combine to create a corrosive environment in which moisture-degraded PC reacts with exposed iron surfaces.
With Rick Helling in full control, the Texas Rangers found a way to beat the streaking Angels.