As

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AS

 (L.)
au´ris sinis´tra (left ear).

As

Symbol for arsenic.

AS

[L.] au´ris sinis´tra (left ear).

AS

aortic stenosis; arteriosclerosis.

As

arsenic.

As

symbol for the element arsenic.

AS

abbreviation for aortic stenosis.

As

The profile area of a slab-sectioned corpuscle or nucleus, a quantity measurable by image cytometry.

AS

Abbreviation for:
absence seizure
absence of seizures
accessory spleen
acoustic schwannoma
acoustic stimulation
active surveillance
acute stress
Adams-Stokes
adenosquamous carcinoma
adult services
allele specific
Alport syndrome
ambulatory surgery
anabolic steroid
anal sphincter
anaphylactic shock
androgen suppression
angiosarcoma
anionic surfactant
ankylosing spondylitis
anovulatory syndrome
anterior scalene
anteroseptal
antisense
antiserum
aortic stenosis
arteriosclerosis
artificial sweetener
asbestos
ascending aorta
Ascaris suum
ascorbic acid
aseptic meningitis
asparagine synthetase
Asperger syndrome
assisted suicide
Associate of Science
Associate Specialist (Medspeak-UK) 
atherosclerosis
atrial septum
atropine sulphate
attempted suicide
audiogenic seizure
audiovisual stimulation

As

Symbol for arsenic

ankylosing spondylitis

; AS autoimmune disease of young men of human leukocyte antigen (HLA) B27 tissue type, characterized by high titres of tumour necrosis factor, progressive spondyloarthropathy, inflammatory back pain, limited spinal mobility, limited chest expansion and sacroiliitis; typically presenting with bursitis, buttock and heel pain, marked early-stage systemic fatigue, late-stage increased spinal curvature and spinal ankylosis ('bamboo' spine); foot problems (e.g. pain, plantar and posterior heel spur formation, soft-tissue swelling and bursitis) occur in the earlier stages; late-stage foot symptoms include joint erosions, periosteal proliferation and anklyosis due to joint margin exostoses (Table 1)
Table 1: Common features of the range of types of sero-negative inflammatory arthritis
FeatureComment
Leukocyte antigen type90% of patients with sero-negative arthritis test positive for human leukocyte antigen (HLA) B27
Skeletal involvementAxial skeleton/spinal involvement; with back pain (common presenting first symptom)
EnthesopathyInflammation at insertions of ligaments/tendons (posterior calcaneum, plantar calcaneum, base of fifth metatarsal, forefoot)
Soft-tissue swellingsLocalized swelling at Achilles tendon insertion
Bursitis of congenital/adventitious bursae
SynovitisDactylitis/'sausage' toe
Generalized swelling of fore foot
VasculitisNote: Does not tend to affect foot in sero-negative arthritides
RadiographsBone/periosteal fluffy/'whiskery' proliferation
New bone/spur formation at entheses, secondary to inflammation

As

chemical symbol, arsenic.
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References in periodicals archive ?
As of right now, everybody is up in the high mountain ranges," said Senetenari Malele, announcer for local radio station Showers of Blessings in American Samoa.
DEVASTATION: The flooded streets of Fagatogo in American Samoa yesterday after being hit by the tsunami
census data, in 2002 American Samoa received $154 million in direct federal support.
Tonga won the group opener on Saturday against Samoa 1-0, while Fiji hammered American Samoa 13-0.
The Department of Marine and Wildlife Resources (DMWR) in American Samoa provides fisheries information to the National Marine Fisheries Service (NMFS) through its Western Pacific Fisheries Information Network (WPACFIN) and to the Western Pacific Regional Fishery Management Council (WPRFMC).
Along the West Coast, public and private partners from Alaska, American Samoa, California, Hawaii, Idaho, Nevada, Oregon and Washington received over $5.
Governor Lolo Matalasi Moliga submitted legislation that would allow the government to set up the charter bank, Territorial Bank of American Samoa.
Karachi, July 24 ( ANI ): The plane of a Pakistani father and son, who were attempting to circle the world in 30 days, reportedly crashed into the Pacific sea near the American Samoa Islands.
This was the challenge football chiefs in American Samoa pitched to prospective coaches when they appealed for help to qualify for this summer's World Cup in Brazil.
PAGO PAGO, American Samoa, Shawwal 11, 1434, Aug 18, 2013, SPA --American Samoa has paid more than $900,000 in back wages to some 250 employees, mostly police officers, according to AP.
The airline flies from Samoa to American Samoa, North Tonga, Niue, the North Cook Islands and French Polynesia.
In 2009, an epidemic year, the incidence of reported clinical dengue cases in American Samoa reached 644 cases/100,000 population; in 2010, incidence decreased to 77 cases/100,000 population (2).

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