From Wiktionary, the free dictionary
From extra- + cytosolic.
extracytosolic (not comparable)
- (cytology) Outside the cytosol
2015 October 15, “Akt Links Insulin Signaling to Albumin Endocytosis in Proximal Tubule Epithelial Cells”, in PLOS ONE[1], →DOI:Albumin receptors megalin and cubilin both possess long extracytosolic domain floating in the urinary space.