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

/phan·tom/ (fant´um)
2. a model of the body or of a part thereof.
3. a device for simulating the in vivo effect of radiation on tissues.

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

[fan′təm]
Etymology: Gk, phantasma, vision
a mass of material similar to human tissue used to investigate the effect of radiation beams on human beings. Phantom materials can range from water to complex chemical mixtures that faithfully mimic the human body as it would interact with radiation.

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]

phantom (fan´tum),

n a device that absorbs and scatters x-radiation in approximately the same way as the tissues of the body.

phantom

1. a model of the body or of a specific part thereof.
2. a device for simulating the in vivo effect of radiation on tissues.

phantom mare
a dummy of a mare used to collect semen for artificial insemination. A padded, hollow device about the height and width that would suit the stallion to be used. Excellent for collecting from an insecure or lame stallion.
phantom parturition
see false pregnancy.
phantom pregnancy
see false pregnancy.
References in periodicals archive ?
From the moment Sir Henry Royce introduced the Rolls-Royce Phantom in 1925 it was judged The Best Car in the World by the cognoscenti.
The key to successful automation is having good threat data to act on," said Rich Hlavka, vice president of business development at Phantom.
The book suffers somewhat by focusing exclusively on written description, lacking examples of the various Phantom comic strips and comic books, covers of novels, and still photos from films.
The Phantom V was produced between 1959 and 1968 and 516 of this hugely successful model were made for clients including the Queen Mother, King Olav of Norway and John Lennon.
The Phantom 4's Obstacle Sensing System features two forward-facing optical sensors that scan for obstacles and automatically direct the aircraft around the impediment when possible, reducing risk of collision, while ensuring flight direction remains constant.
Any new Phantom is an important moment in automotive history and we are working hard on perfecting the Phantom VIII.
The phantom [10] for the robotic system ROSA (Medtech innovative surgical technology) is shown in Fig.
The Phantom did not take part in the 1982 Falklands War.
On the road, the Phantom glides along effortlessly with barely a sound.
Phantom Badger has completed more than 5,000 miles of rugged terrain durability testing and successful airdrop tests from a C-17.
The coachwork has been tweaked but not so the old Phantom looks, well, old (the customers wouldn't like that
Although the new series has features similar to that of the Phantom series, but have some additional features like 8-speed automatic gearbox under the Bonnet and the redesigned multimedia user interface.