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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
Spirilla Bacteria - Definition, Examples, Shape, Diseases
Spirilla (singular, Spirillum) are a group of bacteria characterized by a corkscrew (spiral) appearance They are Gram-negative bacteria and are characterized by motile structures known as flagella
Spirillum | Gram-Negative, Rod-Shaped, Aquatic | Britannica
Spirillum, genus of spiral-shaped bacteria of the family Spirillaceae, aquatic except for one species (S minus) that causes a type of rat-bite fever in man The term spirillum is used generally for any of the corkscrew-like species
Spirillum: Structure, Classification, and Role in Disease
Spirillum refers to a group of spiral-shaped, Gram-negative bacteria known for their distinct helical morphology and motility via flagella
Spirillum (Spiral Bacterium) - 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
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 - (General Biology I) - Vocab, Definition, Explanations . . .
Spirillum is a genus of bacteria characterized by its spiral or helical shape These prokaryotic cells are typically found in aquatic environments and are known for their motility, which is often facilitated by flagella
What Are Spirilla Bacteria? - Microscope Clarity
Even though the genus Spirillum has been split into 3 distinct genera, the term Spirilla (plural) or Spirillum (singular) is still used to describe any helical or spiral-shaped bacteria
What Are Examples of Spirilla Bacteria? - Reference. com
Besides coccus and bacillus cells, spirillum bacteria are the only other bacteria in the world to have distinct physical shapes throughout their lives According to Britannica, the genus Spirillum includes a suite of spiral-shaped bacteria that live almost exclusively in watery environments
Shapes of Bacteria: Cocci, Bacilli, and Spirochetes - Microbe Online
Bacteria with less than one complete twist or turn have a vibriod shape, whereas those with one or more complete turns have a helical shape Spirilla are rigid helical bacteria, whereas spirochetes are highly flexible Spirilla (singular: spirillum) are rigid, wavy-shaped curved bacteria, and spirochete is curved corkscrew-shaped bacteria

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