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tartar

 [tahr´ter]
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

tar·tar

(tar'tăr),
1. A crust on the interior of wine casks, consisting essentially of potassium bitartrate.
2. A white, brown, or yellow-brown deposit at or below the gingival margin of teeth, chiefly hydroxyapatite in an organic matrix. Synonym(s): dental calculus (2)
[Mediev. L. tartarum, ult. etym. unknown]
Farlex Partner Medical Dictionary © Farlex 2012

tartar

(tär′tər)
n.
Dentistry A hard yellowish deposit on the teeth, consisting of organic secretions and food particles deposited in various salts, such as calcium carbonate. Also called calculus.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

calculus

Dentistry
Indurated, yellow-brown/black deposits on teeth formed by bacteria in dental plaques from mineralised calcium salts in saliva and subgingival transudates. 

Kidneys
A stone in the urinary tract.

Pathology
An abnormal, often calcium-rich mass found in various tissues, seen by light microscopy.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

tartar

Calculus Dentistry Hardened gray-white preplaque goo composed of hydroxyapatite, food bacteria, which adheres to teeth after a meal; tartar and plaque cause bone inflammation around teeth known as periodontia. See Caries.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

tar·tar

(tahr'tăr)
1. A white, brown, or yellow-brown deposit at or below the gingival margin of the teeth, chiefly hydroxyapatite in an organic matrix.
Synonym(s): dental calculus (2) .
2. A crust on the interior of wine casks, consisting essentially of potassium bitartrate.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

tartar

See DENTAL CALCULUS.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Tartar

A hardened yellow or brown mineral deposit from unremoved plaque; also called calculus.
Mentioned in: Oral Hygiene
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

tar·tar

(tahr'tăr)
A white, brown, or yellow-brown deposit at or below the gingival margin of teeth, chiefly hydroxyapatite in an organic matrix.
Synonym(s): dental calculus (2) .
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
This diversity of Tatar Islam's representatives accurately reflects the diversity of the religion itself, which continues to grow.
There has been a recent renaissance in all things Tatar, with a new language policy introduced in schools in the last decade.
The opening of the city is a giant project and could not be completed in a day, Tatar said, adding that it may have to be opened in parts.
The figures, released by the Crimean Tatar Resource Center (CTRC), a non-governmental organization, tell only a tiny part of the full story of injustice and harassment to which the community has been subjected since the peninsula's annexation.
According to Tatar, public servants' wages will not to be affected.
Tatar added that construction materials, fruits and vegetables are among the major export products.
The education in and of the Crimean Tatar and Ukrainian languages is disappearing in Crimea due to massive compulsory "re-education" of secondary and high school personnel for teaching in Russian as well as through direct and indirect pressure on school administrations, teachers, parents and children to discontinue teaching in and of this languages, which further limit the presence of the Crimean Tatar and Ukrainian culture on the peninsula.
Crimean Tatars are indigenous people to Crimea who had their own state - Crimean Khanate.
In exploring these complex developments, this article focuses on the life and career of Nazib Zhiganov, one of the most well-known and well-regarded (both officially and by his peers) Soviet Tatar composers.
NYT MOSCOW Vedzhie Kashka, a diminutive 83-year-old Crimean Tatar activist who collapsed during a Russian security operation and died hours later, was buried Friday in a funeral ceremony that drew mourners from across Crimea.
It's the home of the famous Tatar cuisine and home to arguably the most beautiful women in Russia.