string test

string test

1. an infrequently used test to locate gastrointestinal hemorrhage; a weighted string is repeatedly swallowed and removed, each time allowing the string to go further down the intestine until blood is encountered;
2. a similar procedure to obtain a specimen from the bowel lumen.
Obstetrics See Spinnbarkeit
Rheumatology See Mucin clot test
Urology A macroscopic method for determining active spermatogenesis; the testicle is bisected, forceps are used to grasp the parenchyma and visually note the separation of the strands of fibres

string test

Obstetrics See Spinnbarkeit Rheumatology See Mucin clot test Urology A macroscopic method for determining active spermatogenesis; the testicle is bisected, forceps are used to grasp the parenchyma and visually note the separation of the strands of fibers.

String test

A test performed to diagnose threadworm infection. The patient is asked to swallow a weighted string that absorbs stomach juices, which can be analyzed for the presence of threadworm larvae.
Mentioned in: Threadworm Infection
References in periodicals archive ?
Although the validity of the string test in detecting metastatic Klebsiella is questionable, it is a simple and easy test that can be done in any laboratory indicating the presence of this organism.
The so-called string test, currently used in some cases to distinguish the classical and hypervirulent strains, is not consistently accurate.
What is the string test and how it can tell if you are too fat and risking your health
pneumoniae grown on agar plates have a hypermucoviscous phenotype, as shown by a positive result for a string test (11).
Ultrasonography showed submental and liver abscesses which were subsequently drained and both cultures isolated KP with hypermucoid colonies on agar plate and a positive string test indicating the presence of this new hypervirulent strain of KP.
It is one of the few factories in the world that is equipped to simulate a full string test including the simulation of the plant's system curve before the pumps are installed in the power plant.
stercoralis larvae, worms and/or eggs may be possible through a variety of techniques such as the inexpensive and simple stool study or via the swallowed string test; but both the reliability and the sensitivity are low.
Specificity of the designated primer pair was evaluated using BLAST search (http://www.ncbi.nlm.nih.gov/tools/ primer-blast/) against nr database for primer string test targeting on short and nearly exact matches.
The scope of the orders also includes the final full-load string test that will be performed at GE's plant in Massa, Italy.
The phenotype, easily detected at the bench by the string test (5), has been associated with a chromosomal gene, the mucoviscosity-associated gene A (magA), and a plasmid gene, the regulator of the mucoid phenotype A gene (rmpA).
The Dresser-Rand compressors will be manufactured, and a full-load full-pressure string test conducted, at Dresser-Rand's Olean, NY facility for delivery before 2005.
Meyer added that "The string test was especially important because the construction schedule left no room for error after the pump packages arrived on site.