There are multiple definitions:

1. intraepithelial neoplasia(English)

   • a noninvasive lesion that has genetic abnormalities, loss of cellular control functions, and some phenotypic characteristics of invasive cancer and that predicts for a substantial likelihood of developing invasive cancer; aka IEN
   • HPV
   • Oncology
   • https://doi.org….1038/srep16865

2. interneuron(English)

   • situated between sensory and motor neurons. There are approximately 20 billion interneurons, or association neurons. Most are found in the brain and the spinal cord, and others are within the autonomic ganglia. Interneurons make up > 99% of all the neurons in the body. The primary function of interneurons is integration. They carry sensory information and regulate motor activity
   • AD, ASD, BPD, LGE, MAM, MGE, PV
   • Neurons, Psychiatry, Pharmacology / pharmaceutics, Spine (or spinal cord)
   • https://doi.org…1386-020-0778-9
   • https://doi.org…C2018-0-01786-7

3. intranasal(English)

   • AMDV, INS, IP
   • Therapeutic approaches
   • https://doi.org…vsc.2019.02.006

4. interlocking nail(English)

   • refers to treatment of diaphyseal long-bone fractures
   • Orthopedics, Surgery
   • http://pubmed.n…ih.gov/9887941/