There are multiple definitions:

1. American Sign Language(English)

   • Auditory system
   • https://www.nid…n-sign-language
   • http://www.lifeprint.com/

2. arterial spin labeling(English)

   • magnetic resonance imaging technique for measuring tissue perfusion using a freely diffusible intrinsic tracer
   • MRI, PLD, CNN, pCASL, MPR, CBF
   • Medical imaging, Brain (dys)function, Hemodynamics
   • https://doi.org…GING.120.011774
   • https://doi.org…3233/JAD-210360

3. above sea level(English)

   • GHG, VOC
   • Respiratory system

4. Artemisia sacrorum Ledeb.(English)

   • has long been used in Oriental folk medicine to treat diverse hepatic diseases
   • AMPK, PPARγ, CCAAT [box]
   • Liver disease, Alternative medicine
   • https://doi.org…2/ijmm.2011.620

5. argininosuccinate lyase(English)

   • deficiency is inherited in an autosomal recessive manner
   • ASLD
   • Genetics, Metabolism
   • https://www.ncb…books/NBK51784/

6. airway surface liquid(English)

   • elevated protease levels in vapers' airways have functional significance since they can activate ENaC, resulting in airway dehydration
   • HBEC, BALF, CF, COPD, ENaC
   • Respiratory system, Addiction and health, Water
   • https://doi.org…0/ijms242015348