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ASD (database), an online directory of allosteric proteins; Antiseptic Dorogov's Stimulator, a Russian topical veterinary drug; Aspartate-semialdehyde dehydrogenase, an enzyme asd RNA motif, a conserved RNA structure in certain lactic acid bacteria; Atrial septal defect, a congenital heart defect
Atrial septal defect (ASD) is a congenital heart defect in which blood flows between the atria (upper chambers) of the heart. Some flow is a normal condition both pre-birth and immediately post-birth via the foramen ovale ; however, when this does not naturally close after birth it is referred to as a patent (open) foramen ovale (PFO).
The AQA Baccalaureate (known as the "AQA Bacc" for short) is a British educational qualification launched in April 2009 and managed by Charlotte Christie [1] for the Assessment and Qualifications Alliance, or AQA, to be studied in Years 12 and 13.
There are two concurrent GCSE grading systems. In England, GCSEs are graded numerically from 1 (lowest) to 9 (highest), with a 4 being considered a passing grade. For the GCSE English Language Spoken Language component students receive either a Pass, Merit, Distinction or Unclassified.
AQA Education, [1] trading as AQA (formerly the Assessment and Qualifications Alliance), is an awarding body in England, Wales and Northern Ireland. It compiles specifications and holds examinations in various subjects at GCSE, AS and A Level and offers vocational qualifications. AQA is a registered charity and independent of the government.
Asperger syndrome (AS), also known as Asperger's syndrome or Asperger's, is a diagnostic label that has historically been used to describe a neurodevelopmental disorder characterized by significant difficulties in social interaction and nonverbal communication, along with restricted, repetitive patterns of behavior and interests. [5]
Syndromic autism (or syndromic autism spectrum disorders) denotes cases of autism spectrum disorder that are associated with a broader medical condition, generally a syndrome. Cases without such association, which account for the majority of total autism cases, are known as non-syndromic autism (or non-syndromic autism spectrum disorders ).
Autism spectrum disorder (ASD) or simply autism is a neurodevelopmental disorder that begins in early childhood, persists throughout adulthood, and is characterized by difficulties in social communication and restricted, repetitive patterns of behavior. [1]