title: Follicle cell tubular system in the prawn Macrobrachium rosenbergii: a route for exchanges between haemolymph and vitellogenic oocytes?
abstract: The epithelial cells of the ovary follicles have been studied in the prawn Macrobrachium rosenbergii using electron microscope and horseradish peroxidase. A network of circumvoluted and anastomosed tubules, measuring about 0.15 micron in diameter, communicates with the extracellular spaces. This tubular network is a structure which extensively increases the permeability of the follicular epithelium.
mesh_terms: D000818:Animals; D001692:Biological Transport; D004848:Epithelium / Q000378:metabolism; D005260:Female; D006458:Hemolymph / Q000378:metabolism; D006735:Horseradish Peroxidase; D008074:Lipoproteins / Q000378:metabolism*; D008854:Microscopy, Electron; D009865:Oocytes / Q000378:metabolism*; D010053:Ovary / Q000378:metabolism* / Q000648:ultrastructure; D033541:Palaemonidae / Q000502:physiology*; D010539:Permeability; D014819:Vitellogenins / Q000378:metabolism*
chemical_list: D008074:Lipoproteins; D014819:Vitellogenins; D006735:Horseradish Peroxidase