phantom

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phantom

 [fan´tom]
1. an image or impression not evoked by actual stimuli.
2. a model of the body or of a specific part thereof.
3. a device for simulating the in vivo effect of radiation on tissues.

phan·tom

(fan'tŏm),
1.
See also: manikin. Synonym(s): phantasm
2. A model, especially a transparent one, of the human body or any of its parts.
See also: manikin.
3. radiology a mechanical or computer-generated model for predicting irradiation dosage deep in the body.
[G. phantasma, an appearance]

phantom

(făn′təm)
n.
Medicine A model of a human body or body part.
adj.
1. Believed to be real even though illusory: a phantom pregnancy.
2. Being a phantom limb: a phantom arm.

phantom

An object of specifically known dimensions and structural properties used to test or monitor an MRI system’s homogeneity, imaging performance and orientation.

phantom

Radiology A mass or dummy that approximates tissues in its physical properties that may be used to calibrate or determine the dose of radiation applied to a tissue. Cf Ballistic jelly.

phan·tom

(fan'tŏm)
1. Synonym(s): phantasm.
2. A model, especially a transparent one, of the human body or any of its parts.
3. radiology A mechanical or computer-originated model for predicting irradiation dosage deep in the body.
[G. phantasma, an appearance]

phan·tom

(fan'tŏm)
1. A model, especially a transparent one, of the human body or its parts.
2. radiology mechanical or computer-generated model for predicting irradiation dosage deep in the body.
[G. phantasma, an appearance]
References in periodicals archive ?
NEW YORK -- Norm Lewis has been tapped to be Broadway's next Phantom in the megahit "The Phantom of the Opera,'' a move that makes him the first African-American to slip behind the famous mask.
Who starred as the original Phantom? Was it A) Michael Ball B) Michael Crawford or C) Michael Jackson?
Because this is a new production of Phantom which, quite literally, raises the roof and brings the house down.
"John Owen Jones was asked to have the night off and I was put on as Phantom. Both Cameron (Macintosh) and Andrew (Lloyd-Webber) were in the audience.
Perhaps the key element is the new eight-speed automatic transmission and new differential, resolving the nearest thing to a complaint some drivers had about the previous Phantom. But that's not all by any means.
Performances from all the Phantoms were outstanding, there wasn't a dry eye at the Newcastle Theatre Royal.
Jaw-dropping scenery and breathtaking special effects along with Andrew Lloyd Webber's mesmerising score featuring The Music of the Night, Think of Me, Masquerade, All I Ask of You and the title song The Phantom of the Opera, will be magically combined to bring this tragic love story to life each night.
Phantom Flash ALL the very best racehorses possess a turn of foot.
Between them, Earl Carpenter, Matthew Cammelle and John Owen-Jones have clocked up a staggering 3,000 performances in the title role of Andrew Lloyd Webber's hit musical, The Phantom Of The Opera.
Ordered in arctic white with a navy blue interior, the Phantom features oak burr wood veneer cabinetry and trim along with leather upholstery.
Therefore the objectives of the present work are not only to develop tissue equivalent optical phantoms of freshly excised sheep organs by analyzing the spatially resolved steady state diffuse surface reflectance measurements but also to determine their optical parameters through Monte Carlo Simulation technique.
The International Commission on Radiation Units and Measurements (ICRU) has produced a rather brief but highly comprehensive assessment of criteria for constructing, selecting and using medical ultrasound phantoms. ICRU Report 61: Tissue Substitutes, Phantoms and Computational Modelling in Medical Ultrasound offers fundamental guidelines necessary for developing and using medical ultrasound phantoms for training, research and basic equipment maintenance.