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  1. Streptococcus - Wikipedia

    Streptococcus, from Ancient Greek στρεπτός (streptós), meaning "twisted", and κόκκος (kókkos), meaning "kernel", is a genus of gram-positive spherical bacteria that belongs to the family …

  2. Streptococcus | Definition, Species, & Disease | Britannica

    2025年7月4日 · streptococcus, (genus Streptococcus), group of spheroidal bacteria belonging to the family Streptococcaceae. The term streptococcus (“twisted berry”) refers to the bacteria’s …

  3. The Different Types of Streptococci (Strep Bacteria)

    2022年10月15日 · There are a number of different streptococci, which create symptoms ranging from a mild throat infection to a life-threatening infection of the blood or organs. Anyone...

  4. Streptococcal Infections - Infectious Diseases - MSD Manual ...

    Streptococci are gram-positive aerobic organisms that cause many disorders, including pharyngitis, pneumonia, wound and skin infections, sepsis, and endocarditis. Symptoms vary …

  5. Strep throat - Symptoms & causes - Mayo Clinic

    2022年11月30日 · Strep throat is caused by infection with a bacterium known as Streptococcus pyogenes, also called group A streptococcus. Streptococcal bacteria are contagious. They can …

  6. Streptococcal Infections | Strep Throat | MedlinePlus

    2025年6月29日 · Streptococcal is a type of bacteria that can cause strep throat (group A) or blood infections (group B). Learn how they can be prevented and treated.

  7. Streptococcal Infections: Causes, Symptoms, and Treatment

    Streptococcus is a genus of bacteria responsible for many human infections. Known for its diverse types and the array of diseases it can cause, understanding streptococcus is crucial for …

  8. Streptococcus - Medical Microbiology - NCBI Bookshelf

    Streptococci are Gram-positive, nonmotile, nonsporeforming, catalase-negative cocci that occur in pairs or chains. Older cultures may lose their Gram-positive character. Most streptococci are …

  9. Streptococcus: Characteristics, Classification and Clinical Importance

    Streptococcus is a genus of Gram-positive, spherical bacteria (cocci) that typically arrange themselves in chains of varying lengths, though some may appear in pairs. These bacteria are …

  10. Understanding Streptococcus: Types, Infections, and Health Impacts

    Explore the various types of Streptococcus bacteria, their infections, and their impacts on overall health and dental well-being.