Spiral bacteria

spiralspirillaespirillumSpirochete-spirillumcoiledhelically coiled (corkscrew-shaped or spiraled, hence the name) cellsS-shapedspiral (helical) shapespiral bacterium
Spiral bacteria, bacteria of spiral (helical) shape, form the third major morphological category of prokaryotes along with the rod-shaped bacilli and round cocci.wikipedia
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Bacteria

bacteriumbacterialeubacteria
Spiral bacteria, bacteria of spiral (helical) shape, form the third major morphological category of prokaryotes along with the rod-shaped bacilli and round cocci.
Typically a few micrometres in length, bacteria have a number of shapes, ranging from spheres to rods and spirals.

Spirochaete

spirochetespirochetesspirochaetal
A spirochete (plural spirochetes) is a very thin, elongate, flexible, spiral bacteria that is motile via internal periplasmic flagella inside the outer membrane.
A spirochaete or spirochete is a member of the phylum Spirochaetes, which contains distinctive diderm (double-membrane) bacteria, most of which have long, helically coiled (corkscrew-shaped or spiraled, hence the name) cells.

Bacterial cellular morphologies

morphologyrodcell shape
Spiral bacteria, bacteria of spiral (helical) shape, form the third major morphological category of prokaryotes along with the rod-shaped bacilli and round cocci.
Spiral bacteria form the third major bacterial cell morphology.

Spirillum

Spirillum desulfuricansspirillaryspirilli
A spirillum (plural spirilla) is a rigid spiral bacterium that is Gram-negative and frequently has external amphitrichous or lophotrichous flagella.
Members of the genus Spirillum are large, elongate, spiral shaped, rigid cells.

Treponema

treponemetreponemaltreponemes
Treponema species, such as Treponema pallidum, subspecies of which causes treponematoses, including syphilis
Treponema is a genus of spiral-shaped bacteria.

Lyme disease

borreliosisLymeLyme borreliosis
Borrelia species, such as Borrelia burgdorferi, a tick-borne bacterium that causes Lyme disease
Lyme disease is caused by spirochetes, spiral bacteria from the genus Borrelia.

Spiral

spiralswhorlspiral patterns
Spiral bacteria, bacteria of spiral (helical) shape, form the third major morphological category of prokaryotes along with the rod-shaped bacilli and round cocci.

Helix

helicalheliceshelically
Spiral bacteria, bacteria of spiral (helical) shape, form the third major morphological category of prokaryotes along with the rod-shaped bacilli and round cocci.

Prokaryote

prokaryoticprokaryotesprokaryotic cells
Spiral bacteria, bacteria of spiral (helical) shape, form the third major morphological category of prokaryotes along with the rod-shaped bacilli and round cocci.

Bacillus (shape)

rod-shapedrodsbacillus
Spiral bacteria, bacteria of spiral (helical) shape, form the third major morphological category of prokaryotes along with the rod-shaped bacilli and round cocci.

Coccus

coccicoccoidspherical
Spiral bacteria, bacteria of spiral (helical) shape, form the third major morphological category of prokaryotes along with the rod-shaped bacilli and round cocci.

Cell (biology)

cellcellscellular
Spiral bacteria can be subclassified by the number of twists per cell, cell thickness, cell flexibility, and motility.

Motility

motilenon-motilenonmotile
Spiral bacteria can be subclassified by the number of twists per cell, cell thickness, cell flexibility, and motility.

Gram-negative bacteria

gram-negativegram negativegram-negative bacterium
A spirillum (plural spirilla) is a rigid spiral bacterium that is Gram-negative and frequently has external amphitrichous or lophotrichous flagella.

Campylobacter

campylobacter infectionsCampylobacter jejuni
Campylobacter species, such as Campylobacter jejuni, a foodborne pathogen that causes campylobacteriosis

Campylobacter jejuni

C. jejuniCampylobacter jejuni'' P37campylobacteriosis
Campylobacter species, such as Campylobacter jejuni, a foodborne pathogen that causes campylobacteriosis

Campylobacteriosis

Campylobacter'' spp.humans
Campylobacter species, such as Campylobacter jejuni, a foodborne pathogen that causes campylobacteriosis

Helicobacter

Helicobacter species, such as Helicobacter pylori, a cause of peptic ulcers

Helicobacter pylori

H. pyloriantibiotic-resistant ''H. pyloribacteria
Helicobacter species, such as Helicobacter pylori, a cause of peptic ulcers

Peptic ulcer disease

peptic ulcerstomach ulcerulcer
Helicobacter species, such as Helicobacter pylori, a cause of peptic ulcers

Flagellum

flagellaflagellatedflagellar
A spirochete (plural spirochetes) is a very thin, elongate, flexible, spiral bacteria that is motile via internal periplasmic flagella inside the outer membrane. A spirillum (plural spirilla) is a rigid spiral bacterium that is Gram-negative and frequently has external amphitrichous or lophotrichous flagella.

Dark-field microscopy

dark field microscopydark fielddark field illumination
Owing to their morphological properties, spirochetes are difficult to Gram-stain but may be visualized using dark field microscopy or Warthin–Starry stain.

Warthin–Starry stain

Warthin-StarryWarthin-Starry silver stain
Owing to their morphological properties, spirochetes are difficult to Gram-stain but may be visualized using dark field microscopy or Warthin–Starry stain.

Leptospira

Leptospira biflexaleptospiral bacterium
Leptospira species, which cause leptospirosis.

Leptospirosis

black jaundiceSwamp feverWeil's disease
Leptospira species, which cause leptospirosis.