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spirillum

n. 螺旋菌

螺旋菌

WordNet (r) 3.0 (2006) (WordNet)

spirillum
n 1: spirally twisted elongate rodlike bacteria usually living
in stagnant water
2: any flagellated aerobic bacteria having a spirally twisted
rodlike form [synonym: {spirillum}, {spirilla}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Spirillum \Spi*ril"lum\, n. [NL., dim. of L. spira a coil.]
1. (Biol.) A genus of common gram-negative motile
microorganisms (family {Spirillaceae}) having the form of
spiral-shaped filaments. They are obligately
microaerophilic, and do not ferment carbohydrates.
--Stedman.
[1913 Webster]

2. A species of bacteria ({Borrelia recurrentis}, also known
as {Obermeier's spirillum}), once believed to belong to
the genus {Spirillum}, which causes relapsing fever.
[PJC]

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Spirillum - Wikipedia
Spirillum is a genus of Gram-negative bacteria in the family Spirillaceae of the Nitrosomonadales of the Betaproteobacteria [1] [2] [3] There are two species of Spirillum with validly or effectively published names - Spirillum winogradskyi and Spirillum volutans [4]
Spirilla Bacteria Definition, Examples, Shape, Diseases - MicroscopeMaster
Spirilla (singular, Spirillum) are a group of bacteria characterized by a corkscrew appearance; Gram-negative bacteria and are characterized by flagella
Spirillum | Gram-Negative, Rod-Shaped, Aquatic | Britannica
Spirillum is microbiologically characterized as a gram-negative, motile helical cell with tufts of whiplike flagella at each end The helix of the largest spirillum, S volutans, is 5 to 8 μ m (micrometres; 1 μ m = 10 -6 metre) across by 60 μ m long
Extraordinary Facts about Spirillum - Biology Wise
Spirillum refers to a genus of Gram-negative bacteria in the family Spirillaceae These bacteria are known for their elongated structure In fact, Spirillum volutans (S volutans), members of Spirillum are considered to be one of the largest species of bacteria
Spirillum - an overview | ScienceDirect Topics
Spirillum (plural, spirilla) A bacterium with rigid spiral (helical) structure (not easily band, not flexible), thick, long, and move with flagella, 6–15 μm long and spiral in shape is called spirillum
Spirillum vs Spirochete: Comparing Bacterial Structures - Oasis of Hope . . .
Discover the differences between spirillum vs spirochete bacteria with our friendly guide that compares their unique structures and features concisely
What Are Spirilla Bacteria? - Microscope Clarity
The genus Spirillum contains freshwater bacteria that are large and only require a small amount of oxygen (microaerophilic) to survive This is usually a percentage of around 1-9% The size of Spirillum volutans is approximately 5 – 8 micrometers wide and 60 micrometers long Spirilla have a spiral or corkscrew-like appearance
Characteristics and Ecological Role of Spirillum Bacteria
Spirillum bacteria are an intriguing group of microorganisms that play significant roles in various ecosystems Recognized for their distinctive spiral shape, these bacteria contribute to nutrient cycling and the maintenance of ecological balance
What is Spirillum? (with pictures) - AllTheScience
Spirillum is a type of bacterium that moves in a characteristic spiral, or corkscrew-like, fashion It typically lives as individual cells, instead of being associated in clusters or chains
Spirillum | definition of Spirillum by Medical dictionary
Any of several aerobic bacteria of the genus Spirillum, having an elongated spiral form and bearing tufts of flagellae 2 Any of various other spiral-shaped bacteria, especially one formerly classified in this genus

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