pixel

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pixel

 [pik´sel]
a picture element; a CT scan or PET scan is composed of an array of squares (pixels), each of which is colored a uniform shade of gray or another color. The corresponding region in the tissue slice that is imaged is called a voxel (volume element).
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

pix·el

(pik'sĕl),
A contraction for picture element, a two-dimensional representation of a volume element (voxel) in the display of the CT or MR image, usually 512 × 512 or 256 × 256 pixels, respectively.
Farlex Partner Medical Dictionary © Farlex 2012

pixel

A portmanteau for picture element, the smallest discrete two-dimensional unit of a digital image.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

pix·el

(piks'ĕl)
A contraction for picture element, a two-dimensional representation of a volume element (voxel) in the display of the CT or MR image, usually 512 by 512 or 256 by 256 pixels respectively.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

pix·el

(piks'ĕl)
Contraction for picture element, two-dimensional representation of a volume element (voxel) in the display of the computed tomographic or magnetic resonance image, usually 512 × 512 or 256 × 256 pixels, respectively.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
The narrator describes how the insects buzz in the air after they have sucked their bodies full of blood (and can thus be visualised clearly as dark picture elements): "Afstanden mellem de enkelte blodpunkter ville blive stadig storre ligesom et fotograferet portraet gar i oplosning i lutter korn.
Raw sound and picture elements are edited; opticals, dialogue, music and special effects are added; and voice, effects and music sound tracks and picture are all synchronized.
Although a monitor's resolution--the number of picture elements (pixels) used to produce an image--is important, it's how close together pixels are placed--dot pitch--that matters to the eye.
Each lenslet selectively illuminates one of the sample picture elements (pixels), which are only one quarter of the size of the lenslets.
Using a "common image format" of 1,080 by 1,920 picture elements, productions can be either broadcast on television or projected onto cinema screens without expensive conversions.
The individual picture elements (pixels) in a CCD array collect starlight in much the same way that an array of buckets would collect rainwater during a storm.
The program then takes the pixels (picture elements) that it finds on the page and matches them with the shapes of letters.
A typical color video digitizer board captures real-time video images in 32,000 colors with a resolution of 512 x 480 picture elements (or pixels).
Software programs send instructions that transform your keystrokes into points of light on the screen called picture elements (pixels).
Ultra-high resolution, according to the company, is capable for 6 million picture elements in liquid crystal display.