Association of intermediate filaments with other cell organelles in carcinoid tumor of the colon.
Carcinoid tumor of the colon was studied in electron microscope. In cytoplasm, prominent intermediate-sized filaments were seen frequently  attaching to nucleus and mitochondria. Direct contacts of intermediate filaments with secretory granules were not observed.
D002277:Carcinoma / Q000648:ultrastructure; D003110:Colonic Neoplasms / Q000648:ultrastructure*; D003593:Cytoplasm / Q000648:ultrastructure; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D006801:Humans; D008297:Male; D008875:Middle Aged; D009940:Organoids / Q000648:ultrastructure