Unusually complex basement membranes in the midgut of two decapod crustaceans, the stone crab (Menippe mercenaria) and the lobster (Homarus americanus).
D000818:Animals; D001485:Basement Membrane / Q000648:ultrastructure; D003386:Brachyura / Q000033:anatomy & histology*; D003238:Connective Tissue / Q000648:ultrastructure; D007422:Intestines / Q000648:ultrastructure; D008854:Microscopy, Electron; D008121:Nephropidae / Q000033:anatomy & histology*