There are multiple definitions:

1. appropriate / adequate / average for gestational age(English)

   • birth weight between reference value ± 2 SD
   • GA, FL, BW, AIS, AR, DHT, DSD, LGA, SGA, SRD5A2, TT, TT/DHT, COMET, COS, COSCarP, COS-STAD, COS-STAR, HCP, HSU, OROS, AGV
   • Pregnancy, Neonatal situation, Quality and outcomes
   • https://doi.org….2022.2021-9-19
   • https://doi.org…OMES.124.011754

2. American Gastroenterological Association(English)

   • Gastroenterology, Organizations (documentation)

3. anti-gliadin antibody(English)

   • IgG, ELISA
   • Immunology, Pediatrics
   • https://pubmed.…ih.gov/2087421/

4. accelerated growth area(English)

5. Aktionsgemeinschaft Artenschutz(German)

   • Animal welfare, Organizations (documentation)
   • https://www.aga-artenschutz.de/

6. androgenetic alopecia [areata](English)

   • common disorder of the hair follicle which may heavily influence self esteem and self image. Caused by the heightened sensitivity of scalp follicles to dihydro-testosterone. In women also known as female pattern hair loss
   • AA, ATE, CT, CTE, DHL, FDS, FU, OSA, TE, TVR, FPHL, SALT, AE, CA, LA, TA
   • Dermatology
   • https://doi.org…59/cureus.20431
   • https://doi.org…47.2003.12168.x
   • https://doi.org…eth.2022.10.005

7. acute gouty arthritis(English)

   • GA, PL, TCM
   • Pain, Skeleton and bone (formation)
   • https://doi.org…mm.20211103.402