diphtheroid

(redirected from diphtheroids)
Also found in: Medical.

diph•the•roid

(ˈdɪf θəˌrɔɪd, ˈdɪp-)

adj.
1. resembling diphtheria, esp. in the formation of a false membrane in the throat.
n.
2. any bacterium, esp. of the genus Corynebacterium, that resembles the diphtheria bacillus but does not produce diphtheria toxin.
[1860–65]
References in periodicals archive ?
Specifically diphtheroids, Staphylococcus aureus and Gram-negative bacilli were isolated.
10 Escherichia coli 10 Fungal 5 Diphtheroids 3 Bacteroides spp.
Bacterial flora of the migraine patients was different from that of the controls, especially diphtheroids (migraine = 11% vs.
When microorganisms isolated from blood cultures are assessed, it is observed that Gram-positive bacteria generally constitute the majority, because they include diphtheroids and CNS, which may arise from skin flora and are mostly considered contamination.
Second, in addition to coagulase-negative Staphlycoccus, Viridians Streptococcus, Corynebacterium and diphtheroids were most commonly isolated.
Gram-positive diphtheroids, classically Corynebacterium tenuis, mix with sweat on hair shafts and subsequently produce a cementing material.
The genus contains the species Corynebacterium diphtheriae and the nondiphtherial Corynebacterium, collectively referred to as diphtheroids.
The prosthesis delivered to dental clinics from dental laboratories may be contaminated with several pathogenic microorganisms for example, streptococci, lactobacilli, diphtheroids.
They have been cultured in the normal external auditory canal either alone or in combination with other organisms including diphtheroids or occasional fungal spores813 In this present study they were cultured in ears that showed no clinical evidence of otitis externa but more in ears with HA than those without HA.
Microbiological result CL Foreign RCES Corneal /risk factor body graft Gram-positive bacteria Coagulase-negative 2 Staphylococcus Staphylococcus aureus 1 Other Streptococcus 1 Streptococcus pneumoniae 1 1 Diphtheroids 1 Gram-negative bacteria Pseudomonas aeruginosa 13 1 1 Citrobacter 1 Mixed isolates Negative culture result 9 2 3 1 Total 23 6 5 4 Microbiological result Skin Exposure Others /risk factor condition keratopathy Gram-positive bacteria Coagulase-negative 1 1 Staphylococcus Staphylococcus aureus 1 Other Streptococcus Streptococcus pneumoniae Diphtheroids 1 Gram-negative bacteria Pseudomonas aeruginosa Citrobacter Mixed isolates 1 1 Negative culture result 2 5 Total 2 2 9 CL: contact lens; RCES: recurrent corneal erosion syndrome.
Strepto and diphtheroids and yeast cells from 6% cases each.
Types of micro-organisms isolated and degree of contamination associated with each type Samples with Samples with low-level positive (1 - 99 CFU/ml) Micro-organisms cultured growth n (%) contamination n (%) Diphtheroids * 35 (55.