There are multiple definitions:

1. Individual Case Review(English)

2. instant center of rotation(English)

   • IAR, ROM
   • Musculoskeletal system
   • https://doi.org…b013e31828ca5c7

3. imprinting control region(English)

   • a cis-acting regulatory element
   • IGF2
   • Genetics
   • https://doi.org…74984-0.00766-X

4. ileocecal resection(English)

   • AL, FT, HAR, LAR, LT, SRA
   • Surgery, Gastroenterology
   • https://doi.org…urg.2021.756873

5. Institute of Cancer Research(English)

   • also refers to albino mice originating in SWISS and selected to create a fertile mouse line
   • AChE, ET, Gas, MTL, RS, SP, SS, VIP
   • Oncology, Organizations (research)
   • https://doi.org…2/etm.2013.1096