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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 ?
"We provide only tools and technologies to develop AR. But the limit is only the imagination of the people who develop it, and hence we work along with advertising agencies who have the creativity in place.
In this case, we examined PSA expression, which is activated by androgens through AR. As is typical with prostate malignancies, CAsE-PE cells expressed significantly more PSA than did control cells (Figure 4).
The future prevention and timely termination of crimes and terrorist attacks may depend on the individual law enforcement officer's ability to rapidly process and analyze available data and take immediate action in an extremely short time frame, precisely the kind of potential capability offered by AR. Research and development efforts are underway that dramatically will improve the underlying technology in a few years.
In 2015, Apple CEO Tim Cook voiced his preference for AR. Apple unveiled its ARKit at the company's World Wide Developers Conference in May to help developers create AR experiences.