A-scan ultrasonography

noun
the use of ultrasonography to measure the length of the eyeball
Hypernyms: ↑sonography, ↑ultrasonography, ↑echography, ↑ultrasound

Useful english dictionary. 2012.

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  • B-scan ultrasonography — B scan ultrasonography, or B scan, is a diagnostic test used in ophthalmology to produce a two dimensional, cross sectional view of the eye and the orbit.External links* [http://www.emedicine.com/oph/topic757.htm B Scan Ocular Ultrasound… …   Wikipedia

  • B-scan ultrasonography — noun the use of ultrasonography to view structure in the back of the eye • Hypernyms: ↑sonography, ↑ultrasonography, ↑echography, ↑ultrasound …   Useful english dictionary

  • ultrasonography — noun using the reflections of high frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs • Syn: ↑sonography, ↑echography, ↑ultrasound • Hypernyms: ↑imaging,… …   Useful english dictionary

  • Scan — may refer to: *Scan, the act of examining sequentially, part by part *Image scanning, in data processing, the act of optically analyzing a two or three dimensional image and digitally encode it (digitize it) for storage in a computer file *Scan,… …   Wikipedia

  • scan — 1. To survey by traversing with an active or passive sensing device. 2. The image, record, or data obtained by scanning, usually identified by the technology or device employed; e.g., CT s., radionuclide s …   Medical dictionary

  • ultrasonography — The location, measurement, or delineation of deep structures by measuring the reflection or transmission of high frequency or ultrasonic waves. Computer calculation of the distance to the sound reflecting or absorbing surface plus the known… …   Medical dictionary

  • scan — scannable, adj. /skan/, v., scanned, scanning, n. v.t. 1. to glance at or over or read hastily: to scan a page. 2. to examine the particulars or points of minutely; scrutinize. 3. to peer out at or observe repeatedly or sweepingly, as a large… …   Universalium

  • scan — 1) n. examination of the body or a part of the body using ultrasonography, computerized tomography (CT), magnetic resonance imaging (MRI), or scintigraphy (see scintigram). 2) n. the image obtained from such an examination. 3) vb. to examine the… …   The new mediacal dictionary

  • Medical ultrasonography — This article is about using ultrasound to image the human body. For imaging of animals in research, see Preclinical imaging. Sonography redirects here. For the tactile alphabet called sonography , see Night writing. Medical ultrasonography… …   Wikipedia

  • Obstetric ultrasonography — Intervention Obstetric sonogram of a fetus at 16 weeks. The bright white circle center right is the head, which faces to the left. Features include the forehead at 10 o clock, the left ear toward the center at 7 o clock and the right hand… …   Wikipedia

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