calculus

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Synonyms for calculus

an incrustation that forms on the teeth and gums

the branch of mathematics that is concerned with limits and with the differentiation and integration of functions

References in periodicals archive ?
The use of the holmium laser in urology has expanded to include treatment of calculi, urothelial tumors, strictures, condyloma, ureteroceles, as well as other soft tissue applications, possessing both ablative and hemostatic properties.
Here we uniformly use untyped calculi of reductions.
Renal calculi (also known as nephrolithiasis, more commonly referred to as kidney stones) are accumulations of crystals and salts that form into hard masses in the kidney.
But the focal point is this: The difference between concurrent and sequential computation can be concentrated in the single basic computation rule of the respective calculi. By modifying the notion of reduction from the [unkeyable]-calculus, we attain a rule of interaction for concurrent processes, and this is the first stage in our synthesis between the purity of the functional model and the dynamics of real concurrent systems.
Methods: The clinical data of 46 patients with multiple renal calculi treated in Affiliated Hospital of Hebei University from October 2015 to September 2016 were retrospectively analyzed.
Furthermore, it has become a treatment option for adults as well, and it is used as a treatment for calculi of various sizes and locations.
Ultrasonography (US), a widely available and reliable imaging modality, has some disadvantages in the diagnosis of urinary caicuii due to certain factors such as obesity, intestinal gas superposition, small calculi without posterior acoustic enhancement, and the echogenic fatty tissue of renal sinus (4, 5).
Intracorporeal laser lithotripsy for fragmentation of urinary calculi began in the mid-1980s [8-13].
Due to the rarity of large recurrent symptomatic prostatic calculi and the occurrence of urethral steinstrasse after laser lithotripsy, we chose to report this case, which occurred over the course of six months.
Table-II: Frequency and percentages of various calculi depending upon the size and location in urinary tract and positivity rate of urine analysis in each category.
The size of salivary calculi may vary from less than one millimeter to a few centimeters in the greatest diameter.
Methods: We performed a retrospective cohort study of patients with symptomatic urinary calculi diagnosed by unenhanced helical CT.
Seventy five samples of renal and eighteen samples of supra gingival calculi of lead recycling workers were collected over the period of seven years (2008-2014) and studied for the accumulation of lead.
Over the years, minimally invasive techniques for removing salivary gland calculi have become popular.