that results in gram-positive bacteria retaining the purple dye and gram-negative organisms having it decolorized so that the red counterstain shows up, and that is believed to depend on differences in the structure and composition of the bacterial cell walls which facilitate or prevent the decolor...
Popular in Wordplay See All Terroir, Oenophile, & Magnum: Ten Words About Wine 8 Words for Lesser-Known Musical Instruments 10 Words from Taylor Swift Songs (Merriam's Version) 9 Superb Owl Words 15 Words That Used to Mean Something Different ...
Gram stain noun Synonyms for Gram stain nouna staining technique used to classify bacteria Synonyms Gram method Gram's method Gram's procedure Gram's stain Related Words staining Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. ...
In each case, medical records were reviewed and cases discussed with clinicians to determine if earlier communication of results would have altered management and affected the outcome.Organisms were seen in 102/116 blood cultures. In total, 76/82 (92.7%) patients with cultures deemed to be ...
Gram Stain: The Gram Stain test was performed on our unknown bacteria and the results were negative. Meaning that the cell wall of the bacteria did not retain the purple dye, therefore it classified it as Gram-negative (-). After observing the slide under the microscope, (Figure 1 below)...
Aspiration from the right knee yielded a purulent fluid, no organisms were seen on Gram stain, but N. meningitidis group B was isolated from the culture. Nine blood cultures remained sterile. Antibiotherapy (amoxicillin 6g IV/24 hours) was initiated on the fifth day of hospitalisation, when ...
Always check new batches of stain and reagents for correct staining reactions using a smear containing known Gram-positive and Gram-negative organisms. Variations in Gram Reaction Various factors influence the results of Gram staining. Sometimes the result might be entirely different than you have anti...
Gram stain classification indicated a dominant population of Gram-negative bacteria with 648 isolates (78.2%) while the remaining 181 isolates (21.8%) were Gram-positive organisms. The most common sample was for outpatients and accounted for 379 (45.7%) samples with respect to specimens’ location...
These fastidious organisms require pyridoxal or l-cysteine for growth. Satellite colonies can grow around S. aureus streaked on a BAP. Catalase negative cocci are summarized in Table 6.2. Table 6.2. Catalase negative cocci OrganismGram stain morphologyColony on BAPHemolysisPyrrolidonyl arylamidaseBile ...
These are environmental organisms that also can be found in the healthcare environment. Colonies of Methylobacterium spp. generally appear dry, and Gram stain shows large, highly vacuolated, pleomorphic bacilli; growth on MacConkey agar at temperatures higher than 40°C usually is neg...