There are multiple definitions:

1. glial cytoplasmic inclusion(English)

   • consists of granule-associated filaments with diameters of approximately 25 nm. Morphologically indistinguishable from those of NCI
   • GNI, MSA, NCI, NNID, OLG, OPC
   • Neuropathy
   • https://doi.org…0035-020-0185-5

2. glottal closure instant(English)

   • EGG, FFNN, GOI, GIF, SVM, YAGA
   • ENT
   • https://doi.org…OC.2021.3126493