Bacteria - Wikipedia
The word bacteria is the plural of the New Latin bacterium, which is the latinisation of the Greek βακτήριον (bakterion), the diminutive of βακτηρία (bakteria), meaning "staff, cane", because the first ones to be discovered were rod-shaped.
Bacteria: Definition, Types & Infections
Bacteria are microscopic single-celled organisms that thrive in diverse environments. They can live within soil, in the ocean and inside the human gut.
bacteria | Cell, Evolution, & Classification | Britannica.com
Bacteria, singular bacterium, any of a group of microscopic single-celled organisms that live in enormous numbers in almost every environment on Earth, from deep-sea vents to deep below Earth’s surface to the digestive tracts of humans.
Bacteria: What you need to know - Medical News Today
Bacteria are single-celled organisms that exist in their millions, in every environment, inside or outside other organisms. Some are harmful, but others support life. They play a crucial role in ...
Bacteria - definition of bacteria by The Free Dictionary
any of numerous groups of microscopic one-celled organisms constituting the phylum Schizomycota, of the kingdom Monera, various species of which are involved in infectious diseases, nitrogen fixation, fermentation, or putrefaction.
About Microbiology – Bacteria
Bacteria. Bacteria are single celled microbes. The cell structure is simpler than that of other organisms as there is no nucleus or membrane bound organelles.
Bacteria | Definition of Bacteria by Merriam-Webster
Recent Examples on the Web. Symptoms of salmonella—a bacteria that can cause infections within the body—most commonly include nausea, vomiting, abdominal cramps, diarrhea, fever, chills, headache, and blood in your stool.
Introduction to the Bacteria
Bacteria are often maligned as the causes of human and animal disease (like this one, Leptospira, which causes serious disease in livestock). However, certain bacteria, the actinomycetes, produce antibiotics such as streptomycin and nocardicin; others live symbiotically in the guts of animals ...