There are multiple definitions:

1. iodoacetic acid(English)

   • Toxicology
   • https://en.wiki…Iodoacetic_acid

2. ileo-anal anastomosis(English)

   • FAP, IRA, TPC
   • Gastroenterology, Surgery
   • https://www.may…ut/pac-20385069

3. insulin autoantibody(English)

   • aids in the prediction of autoimmune diabetes development
   • DM, ECL, ELISA, NOD, RBA
   • Insulin, Autoimmunity, Diabetes
   • https://doi.org…1479-5876-9-203

4. interrupted aortic arch(English)

   • a rare congenital anomaly that can be considered the most severe form of aortic coarctation, and affecting approximately 1.5% of congenital heart disease patients
   • Congenital disorders, Cardiology
   • http://www.ncbi…02/#!po=1.72414

5. indispensable amino acid(English)

   • BAA, GMP, PAH, PKU
   • Nutrition
   • https://doi.org…93/jn/138.2.316

6. indole-3-acetic acid(English)

   • phytohormone. Has been implicated in virtually every aspect of plant growth and development
   • LC-MS, MIC, MIT, AUX, PCMX, PCP, TIR1
   • Hormone
   • https://doi.org…598-022-22981-9
   • https://doi.org…038/nature03543