There are multiple definitions:

1. unconditioned stimulus(English)

2. uterine carcinosarcoma(English)

   • JARID, PRAD, PTM, SAM, TCGA, SHCBP1
   • Oncology, Ovary and uterus, Biotechnology
   • https://doi.org…86.2019.1679585
   • https://doi.org…sbj.2022.06.039

3. Union of Concerned Scientists(English)

   • MIT
   • Ethics
   • https://doi.org…e.323.5919.1279