proton


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proton

 [pro´ton]
an elementary particle of mass number 1, with a positive charge equal to the negative charge of the electron; a constituent particle of every nucleus, the number of protons in the nucleus of each atom of a chemical element being indicated by its atomic number.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

pro·ton (p),

(prō'ton),
The positively charged unit of the nuclear mass; protons form part (or in hydrogen 1 the whole) of the nucleus of the atom around which the negative electrons revolve.
[G. ntr. of prōtos, first]
Farlex Partner Medical Dictionary © Farlex 2012

proton

A positively charged particle located in the nucleus of an atom of an element, the number of which governs its chemical properties.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

pro·ton

(prō'ton)
The positively charged unit of the nuclear mass; protons form part (or in hydrogen 1, the whole) of the nucleus of the atom around which the negative electrons revolve.
[G. ntr. of prōtos, first]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

proton

The positively-charged nucleus of a hydrogen atom. A hydrogen ion and the basis of acids.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

pro·ton

(prō'ton)
The positively charged unit of the nuclear mass; protons form part (or in hydrogen 1, the whole) of the nucleus of the atom around which the negative electrons revolve.
[G. ntr. of prōtos, first]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
This report contains full information about patients, who are likely to get treated with proton therapy, the actual number of patients who have received proton therapy treatment.
The updated version of Proton's iconic and best-selling model has received styling revisions, a brand new four-speed automatic gearbox and first-in-class smart features that not only set it apart from its competitors but also raises its value proposition.
According to the company, it has devised a non-rotating gantry in an ultra-compact proton cancer therapy system to bend the proton beam, without requiring a rotating mechanism.
"Our results also shed light on the distribution of the strong force inside the proton. We are providing a way of visualizing the magnitude and distribution of the strong force inside the proton.
"Proton beam therapy has been available abroad for many years, so it is hugely important that the UK is now able to offer this type of cancer care.
Patients will then be able to receive the proton beam therapy from around the end of the year.
The research report titled "United States Proton Therapy Market: Demand, Insights, Analysis, Opportunities, Growth Potential and Forecast 2018 - 2025" examines the market dynamics, competitive landscape and discusses major trends.
The company is the worldwide technology leader in the field of proton therapy, considered to be the most advanced form of radiation therapy available today.
The study found that those who were treated with proton therapy had fewer lung or heart problems after surgery, shorter stays in the hospital, and a lower chance of dying from complications after surgery.
The United States leads the proton therapy centers in the world because of its enormous investment in the growth of therapy centers as well as its drawn out history of proton therapy.