There are multiple definitions:

1. antisense oligonucleotide(English)

   • GPIHBP1, tcDNA
   • Biochemistry, Genetics, Genomics
   • https://doi.org…mtn.2019.11.020
   • https://doi.org…/rna.080576.125

2. Amplatzer septal occluder(English)

   • used for percutaneous closure of secundum atrial septal defect
   • ASD
   • Cardiology, Congenital disorders
   • https://doi.org…aoms.2010.14469

3. antistreptolysin O(English)

   • an antibody targeted against streptolysin O, a toxic enzyme produced by group A Streptococcus bacteria
   • Bacteriology, Clinical chemistry
   • https://labtest…eptolysin-o-aso

4. arterial switch operation(English)

   • for repair of transposition of the great arteries (TGA) requires transection of the great arterial trunks and re-implantation of the coronary arteries into the neoaortic root resulting in cardiac sympathetic denervation which may affect myocardial blood flow (MBF) regulation
   • MBF, TGA, d-TGA, ECMO, LVT
   • Cardiology, Surgery, Congenital disorders
   • https://doi.org…ard.2019.07.041
   • https://doi.org…03.2009.00352.x

5. affine spline operator(English)

   • CNN, CPA, CPWL, DL, DN, DNN, GAN, MASO, NN, NTK, RNN, SO, VQ
   • Machine learning, Signal analysis
   • https://doi.org…OC.2020.3042100