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1. A fissure.
Farlex Partner Medical Dictionary © Farlex 2012


Substance abuse A 'free-base' form of cocaine which, when smoked in a pipe, produce a brief, very intense 'high'. See Bingeing, Cocaine, Crack 'smile. ', Free base cocaine.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


1. A fissure.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


A highly purified form of COCAINE which produces an intense reaction of rapid onset. Crack is inherently more dangerous than less concentrated forms and deaths have resulted from its use.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005


A fissure.
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about crack

Q. what causes the sound of cracking noises in the head all the time it was said i had acute sinusitis but honestly i think it is more . I don't know why i have cracking noises in my head . I am very concerned about this also my neck is always stiff feeling and aching all the time. . My eyes are very tired and i see blue spots and they hurt behind the eye very badly . I have headaches very often

A. wow...that really sounds serious...i have chronic sinusitis and i can tell you i had horrible headaches but nothing like you describe now. i would strongly consider going to a hospital and checking it out...
tell us what was the result!

Q. anyone knows how to stop hard skin on the feet from becoming cracked??? during summer my feet got lots of hard skin and in the heel area the skin actually got cracked kinda deep. it hurts now and the cracks are starting to get infected I guess... do u guys know how to solve this?? I know there are some creams for that but I thought maybe now it's too late for that and I need something stronger?

A. There are good creams for moisterizing the skin of your feet on a daily basis, however now that you feel they might be infected you should see a dermatologist for some better treatment.

Q. Im only 17 I have horrble lower back pains. Im constitly rubbing,stretching, or cracking my back. the pain is either a throbbing pain or an ache or sting.I feel it worse when I put my chest out my shoulders back. my back feels like its out of place.

A. Lower back pain is so very common... I have had it for years, and just recently what I found to be very helpful is walking. Even a 30-45 minute walk and then some streching is good. I have hardly had any pain since I started exercising and it feels really good. Swimming is also known to help.

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References in periodicals archive ?
Cheryl Summerville still remembers the day in 1991 when Cracker Barrel Old Country Store fired her for being gay.
In addition, part-time employees often covered their theft or attempted theft by introducing a virus into the targeted computer, following the same rationale as for crackers. Interestingly, there was no significant relationship between virus introduction and any behavior by full-time employees, although anecdotal evidence suggests that employees have placed viruses in computer systems for a number of reasons.
Liberty London Beauty Cracker with Hourglass and Essie, PS18 What's inside: Essie Nail Polish in Fishnet Stockings (a deep red), and Hourglass Extreme Sheen Lip Gloss in Canvas, a dusty pink - both full-size products.
Verdict: Great fun for kids of all ages 10/10 HOME 6 LUXURY CRACKERS PS7.50, Sainsbury's SIMPLE and understated - looked a lot more expensive than they were.
LIBERTY LONDON BEAUTY CRACKER WITH HOURGLASS AND ESSIE, PS18 8 What's inside: Essie Nail Polish in Fishnet Stockings (a deep red), and Hourglass Extreme Sheen Lip Gloss in Canvas, a dusty pink - both full-size products.
Ritz Whole Wheat Cracker Sandwiches with White Cheddar Cheese (10.8 oz.) and Ritz Whole Wheat Cracker Sandwiches with White Cheddar Cheese (1.35 oz.) with best by dates between February 4 and February 5, 2019
8 oz Ritz Cheese Cracker Sandwiches 6 0 44000 88211 2 (UPC number) 6 Jan.
The new USD1.7bn ethane cracker is the first project under construction by the recently-formed Bay-Pol joint venture.
The Long Lane factory produces millions of cream crackers each year - with more than half a billion individual Jacob's crackers sold each year.
Summary: Reader initiates campaign within his neighbourhood to avoid use of crackers