Scab may refer to:
Biology
* Scab, a hard coating on the skin formed during the
wound healing reconstruction phase
* scAb, single-chain
antibody
An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses. The antibody recognizes a unique molecule of the ...
fragment
Infections and infestations
*
Apple scab
Apple scab is a common disease of plants in the rose family ( Rosaceae) that is caused by the ascomycete fungus ''Venturia inaequalis''. While this disease affects several plant genera, including ''Sorbus, Cotoneaster,'' and '' Pyrus'', it is m ...
, an apple tree (genus ''Malus'') fungal disease caused by ''Venturia inaequalis''
* Black scab, a
potato fungal disease caused by ''Synchytrium endobioticum''
*
Common scab
Common scab is a plant disease of root and tuber crops caused by a small number of '' Streptomyces'' species, specifically '' S. scabies'', '' S. acidiscabies'', '' S. turgidiscabies'' and others. Common scab mainly affects potato ...
, a plant bacterial disease caused by ''Streptomyces'' species
*
Fusarium head blight
Fusarium ear blight (FEB) (also called Fusarium head blight, FHB, or scab), is a fungal disease of cereals, including wheat, barley, oats, rye and triticale. FEB is caused by a range of ''Fusarium'' fungi, which infects the heads of the crop, reduc ...
, a fungal disease of plants, e.g., grain crops (especially wheat and oats), golf course grass, caused by the several species of ''Fusarium''
* Pear scab, a
pear fungal disease caused by ''Venturia pirina'' or ''Fusicladium pyrorum''
* Poinsettia scab, a spot anthracnose disease caused by ''
Sphaceloma poinsettiae''
*
Powdery scab
Powdery scab is a disease of potato tubers. It is caused by the cercozoan ''Spongospora subterranea'' f. sp. ''subterranea'' and is widespread in potato growing countries. Symptoms of powdery scab include small lesions in the early stages of the ...
, a disease of the skin of potatoes caused by the protozoa ''Spongospora subterranea''
*
Sheep scab
''Psoroptes'' is a genus of mites, including the agents that cause psoroptic mange.
Psoroptic mange
''Psoroptes'' mites are responsible for causing psoroptic mange in various animals, leading to economic losses among farmers of cattle, sheep ...
, a skin disease of sheep caused by the mite ''Psoroptes ovis''
Labor
* Scab, a pejorative term for a
strikebreaker
A strikebreaker (sometimes called a scab, blackleg, or knobstick) is a person who works despite a strike. Strikebreakers are usually individuals who were not employed by the company before the trade union dispute but hired after or during the st ...
, a person who works despite strike action or against the will of other employees
Other uses
*
South Coast Air Basin The South Coast Air Basin—SCAB (or SoCAB) is one of several regional air basin areas designated by the state of California, for the purpose of air quality management and air pollution control in Southern California. The SCAB district was created ...
, in California, US
*
Johnny Dole & The Scabs
Johnny Dole & the Scabs were an early Australian punk rock group formed in 1976 by Terry Walsh ( Johnny Dole) on lead vocals, Dave Berry on bass guitar and vocals, Peter Mullany on guitar and Greg Morris on drums and vocals. They disbanded m ...
, one of the first punk rock bands in Australia
See also
*
Scabs (disambiguation)
*
Channeled Scablands
The Channeled Scablands are a relatively barren and soil-free region of interconnected relict and dry flood channels, coulees and cataracts eroded into Palouse loess and the typically flat-lying basalt flows that remain after cataclysmic floods ...
, an eroded landscape formed by Missoula Floods in the U.S. state of Washington
*
Scabies
Scabies (; also sometimes known as the seven-year itch) is a contagious skin infestation by the mite ''Sarcoptes scabiei''. The most common symptoms are severe itchiness and a pimple-like rash. Occasionally, tiny burrows may appear on the skin ...
, a skin disease caused by the mite ''Sarcoptes scabiei''
*
U.S. Wheat and Barley Scab Initiative, a joint government and academic program to develop control measures to minimize the threat of ''Fusarium'' head blight (scab) in the United States
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