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Index Acid-fastness

Acid-fastness is a physical property of certain bacterial and eukaryotic cells, as well as some sub-cellular structures, specifically their resistance to decolorization by acids during laboratory staining procedures. [1]

39 relations: Actinomyces, Actinomycetales, Auramine phenol stain, Auramine-rhodamine stain, Bacteria, Batten disease, Carbol fuchsin, Cell wall, Coccidia, Cryptosporidium parvum, Cyclospora cayetanensis, Cystoisospora belli, Dietzia, Echinococcosis, Endospore, Eukaryote, Gordonia (bacterium), Gram stain, Kinyoun stain, Legionella micdadei, Methylene blue, Moeller stain, Mycobacterium, Mycolic acid, Neuronal ceroid lipofuscinosis, Nocardia, Paragonimus westermani, PDF, Picric acid, Rhodococcus, Sarcocystis, Schaeffer–Fulton stain, Sperm, Staining, Taenia saginata, Taenia solium, Tsukamurella, Victoria blue BO, Ziehl–Neelsen stain.


Actinomyces is a genus of the Actinobacteria class of bacteria.

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The Actinomycetales are an order of Actinobacteria.

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Auramine phenol stain

Auramine phenol stain is a stain used in clinical microbiology and histology to identify tuberculosis mycobacteria.

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Auramine-rhodamine stain

The auramine-rhodamine stain (AR), also known as the Truant auramine-rhodamine stain, is a histological technique used to visualize acid-fast bacilli using fluorescence microscopy, notably species in the Mycobacterium genus.

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Bacteria (common noun bacteria, singular bacterium) is a type of biological cell.

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Batten disease

Batten disease is a fatal disease of the nervous system that typically begins in childhood.

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Carbol fuchsin

Carbol fuchsin, carbol-fuchsin, or carbolfuchsin, is a mixture of phenol and basic fuchsin, used in bacterial staining procedures.

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Cell wall

A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane.

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Coccidia (Coccidiasina) are a subclass of microscopic, spore-forming, single-celled obligate intracellular parasites belonging to the apicomplexan class Conoidasida.

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Cryptosporidium parvum

Cryptosporidium parvum is one of several species that cause cryptosporidiosis, a parasitic disease of the mammalian intestinal tract.

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Cyclospora cayetanensis

Cyclospora cayetanensis is a protozoan that causes disease in humans, and perhaps primates.

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Cystoisospora belli

Cystoisospora belli, previously known as Isospora belli, is a parasite that causes an intestinal disease known as cystoisosporiasis.

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Dietzia is a Gram-positive bacterial genus from the family of Dietziaceae which occur in many different habitats including humans and animals.

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Echinococcosis is a parasitic disease of tapeworms of the Echinococcus type.

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An endospore is a dormant, tough, and non-reproductive structure produced by certain bacteria from the Firmicute phylum.

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Eukaryotes are organisms whose cells have a nucleus enclosed within membranes, unlike Prokaryotes (Bacteria and other Archaea).

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Gordonia (bacterium)

Gordonia is a genus of bacterium in the Actinobacteria, the same lineage that includes Mycobacterium tuberculosis.

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Gram stain

Gram stain or Gram staining, also called Gram's method, is a method of staining used to distinguish and classify bacterial species into two large groups (gram-positive and gram-negative).

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Kinyoun stain

The Kinyoun method, or Kinyoun stain, is an acid-fast procedure used to stain any species of the genus Mycobacterium, Nocardia and Cryptosporidium species.

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Legionella micdadei

Legionella micdadei is a Gram-negative bacterium from the genus Legionella which stains acid-fast.

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Methylene blue

Methylene blue, also known as methylthioninium chloride, is a medication and dye.

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Moeller stain

Moeller staining involves the use of a steamed dye reagent in order to increase the stainability of endospores; carbol fuchsin is the primary stain used in this method.

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Mycobacterium is a genus of Actinobacteria, given its own family, the Mycobacteriaceae.

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Mycolic acid

Mycolic acids are long fatty acids found in the cell walls of the Mycolata taxon, a group of bacteria that includes Mycobacterium tuberculosis, the causative agent of the disease tuberculosis.

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Neuronal ceroid lipofuscinosis

Neuronal ceroid lipofuscinosis (NCL) is the general name for a family of at least eight genetically separate neurodegenerative disorders that result from excessive accumulation of lipopigments (lipofuscin) in the body's tissues.

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Nocardia is a genus of weakly staining Gram-positive, catalase-positive, rod-shaped bacteria.

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Paragonimus westermani

Paragonimus westermani is the major species of lung fluke that infects humans, causing paragonimiasis.

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The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

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Picric acid

Picric acid is an organic compound with the formula (O2N)3C6H2OH.

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Rhodococcus is a genus of aerobic, nonsporulating, nonmotile Gram-positive bacteria closely related to Mycobacterium and Corynebacterium.

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Sarcocystis is a genus of parasites, the majority of species infecting mammals, and some infecting reptiles and birds.

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Schaeffer–Fulton stain

The Schaeffer–Fulton stain is a technique designed to isolate endospores by staining any present endospores green, and any other bacterial bodies red.

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Sperm is the male reproductive cell and is derived from the Greek word (σπέρμα) sperma (meaning "seed").

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Staining is an auxiliary technique used in microscopy to enhance contrast in the microscopic image.

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Taenia saginata

Taenia saginata (synonym Taeniarhynchus saginatus), commonly known as the beef tapeworm, is a zoonotic tapeworm belonging to the order Cyclophyllidea and genus ''Taenia''.

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Taenia solium

Taenia solium is the pork tapeworm belonging to cyclophyllid cestodes in the family Taeniidae.

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Tsukamurella is a Gram-positive, non-spore-forming, rod-shaped and obligate aerobic bacterial genus from the family of Tsukamurellaceae.

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Victoria blue BO

Victoria blue BO, also known as C.I. Basic Blue 7 and C.I. 42595, is a chloride salt of a dye with the chemical formula Cl.

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Ziehl–Neelsen stain

The Ziehl–Neelsen stain, also known as the acid-fast stain, was first described by two German doctors: the bacteriologist Franz Ziehl (1859–1926) and the pathologist Friedrich Neelsen (1854–1898).

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Redirects here:

Acid fast, Acid fast bacilli, Acid fast bacillus, Acid-fast, Acid-fast bacilli, Acid-fast bacillus, Acid-fast organism.


[1] https://en.wikipedia.org/wiki/Acid-fastness

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