transport medium


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trans·port me·di·um

a medium for transporting clinical specimens to the laboratory for examination.

trans·port me·di·um

(trans'pōrt mē'dē-ŭm)
A medium for transporting clinical specimens to the laboratory for examination.

transport medium

A nutrient solution used to maintain the freshness or viability of patient specimens as they are being carried to the laboratory for culture.
See also: medium

medium

pl. media, mediums [L.]
1. an agent by which something is accomplished or an impulse is transmitted.
2. a substance providing the proper nutritional environment for the growth of microorganisms; called also culture medium.

basic nutritive medium
one adequate for the growth requirements of most bacteria.
contrast medium
a radiopaque (positive) substance, or (negative) gases used in radiography to permit visualization of body structures.
culture medium
a substance used to support the growth of microorganisms or other cells.
dioptric medium
refracting medium (see below).
disperse medium, dispersion medium
the continuous phase of a colloid system; the medium in which a colloid is dispersed, corresponding to the solvent in a true solution.
enriched medium
modification of a basic medium for the growth of fastidious bacteria. Common additions are blood, serum or egg yolk.
indicator medium
a type of bacteriological medium which may contain a fermentable sugar plus a pH indicator that gives a color change. It is used to identify bacteria on the basis of a characteristic biochemical reaction.
refracting medium
the transparent tissues and fluid in the eye through which light rays pass and by which they are refracted and brought to a focus on the retina.
medium sausage
a technique for examining meat for bacterial contamination. The solid medium is made up in the form of a sausage and slices are removed from it after application of the exposed end to the suspect meat.
selective medium
formulated to facilitate the isolation of specific bacteria, they contain substances to inhibit growth of others.
transport medium
formulated to preserve a specimen, usually tissue or microbiological swab, and minimize bacterial overgrowth for the time necessary to transport it to the laboratory.
References in periodicals archive ?
Cary-Blair transport medium was formulated in 1964, specifically to enhance the viability of Salmonella and Shigella spp during transport to the laboratory.
With the growth of the immunocompromised sector of the population, the number of identifications increased to 6-10 cases per year until 1995, when the change in sampling methods from lesion aspirates to swab collection in transport medium resulted in a reduction to 1-2 Molluscum contagiosum identifications per year (Hazelton, unpub.
It provides the ease of deployment and use of NAS file servers and eliminates the problems associated with Fibre Channel by utilizing GbE as a transport medium.
To transport H1N1 viral specimens collected using swabs, the CDC also recommends that the swab specimen collection vials should contain 1 - 3ml of viral transport medium (e.
Copan Universal Transport Medium (UTM) used with Copan Flocked Swabs is the optimum kit combination for virology culture, rapid antigen testing, and DFA testing; and the use of the combined products is also a universal open platform collection and transport system that has been successfully used for culture, EIA, PCR and other molecular based assays.
Swabs in transport medium may be of value for culture or polymerase chain reaction procedures.
The ring functions as a shared transport medium with a unique protocol that controls access to the ring, arbitrates competing requests for use of ring bandwidth, and implements a service protection mechanism to protect against ring failures.
A pharyngeal swab was taken from each trainee and immediately placed into virus transport medium (Viromed Laboratories, Inc.
The S-170CS features an impressive throughput up to 6,000 units per hour at zero test time -- approximately twice the speed of many of today's chip-scale test handlers employing a pick-and-place transport medium.
Rather than seeking to replace these networks, Chantry utilizes the existing networks as a transport medium between BeaconWorks' BeaconPoint access points and its BeaconMaster wireless router.

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