From cochleo- + -stomy.
cochleostomy (plural cochleostomies)
- (surgery) The formation of an opening into the cochlea
2015 August 27, “Intracochlear Bleeding Enhances Cochlear Fibrosis and Ossification: An Animal Study”, in PLOS ONE[1], →DOI:Hair cells were more severely damaged in blood injected ears than in cochleostomy only ears.