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argon

 (Ar) [ahr´gon]
a chemical element, atomic number 18, atomic weight 39.948. (See Appendix 6.)
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

Ar

Symbol for argon.
Farlex Partner Medical Dictionary © Farlex 2012

AREG

A gene on chromosome 4q13-q21 that encodes a member of the epidermal growth factor family, which is an autocrine growth factor and a mitogen for astrocytes, Schwann cells and fibroblasts. AREG interacts with the EGF/TGF-alpha receptor to promote the growth of normal epithelial cells and inhibits certain aggressive carcinoma cell lines.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

AR

Autosomal recessive, also
1. Access recirculation, see there.
2. Acoustic reflex.
3. Active resistance–rehabilitation medicine.
4. Adrenergic receptor.
5. Allergic reaction.
6. Allergic rhinitis.
7. Aortic regurgitation.
8. Apical rate.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

AR

, A/R
Abbreviation for accounts receivable.

Ar

Symbol for argon
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Sessions will be held at the Arkansas State University System Office in downtown Little Rock.
In addition to the two licenses granted, Arkansas Insurance Commissioner Allen Kerr granted a 60-day conditional license to OptumRX effective January 1 pending the department's completion of the company's license application.
The Information Network of Arkansas is a public-private partnership between the state of Arkansas and the Arkansas Information Consortium that helps state government entities web-enable their information services.
27 July 2000, UA-FS (18); Mississippi River near Osceola, Arkansas Game and Fish Access Area (35.67961[degrees]N, 89.946442[degrees]W), 26 July 2005, UA-FS (4).
Suddenly the Cache, the White River Refuge system, and other remaining bottomland hardwood forests in the Arkansas Delta became a "corridor of hope," with officials in high places announcing plans to purchase, protect, and replant as much of the swampy woodland as possible.
work on the southern United States' endangered red-cockaded woodpecker, if she'd fly to Arkansas in 48 hours, telling no one what she was going to do.
One of the juveniles called 911 on a cell phone and then, apparently, began to look for a gun with which to shoot the Arkansas man.
A cluster of tuberculosis cases in a rural community in Arkansas persisted from 1991 to 1999.
The purpose of the study was to profile reading literacy and employability of welfare recipients in the Northwest Arkansas region.
A bill that would have effectively banned the teaching of evolution fell just six votes short of passage March 23 in the Arkansas House.
In Arkansas, one such collaborative effort between a black church, Theressa Hoover United Methodist Church, and an African-American gay organization called Brotha's and Sista's, took root a decade ago.

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