There are multiple definitions:

1. intracranial self-administration(English)

   • used to assess the involvement of the ventral tegmental area (VTA) nicotinic receptors in the rewarding effects of nicotine
   • DHβE, VTA, ICSS
   • Brain (dys)function, Addiction and health, Experimental animal, Neurology, Pharmacology / pharmaceutics
   • https://doi.org…arm.2006.02.003

2. islet cell surface antibody(English)

   • ICA, IDDM, CF-ICA
   • Pancreas
   • https://pubmed.…ih.gov/3034474/