(from the article `crustacean`) ...facing the trunk, is often rich with blood vessels and may in many groups be the only respiratory organ. Gills, when present, are formed by ... Found on http://www.britannica.com/eb/a-z/e/37
E·pip'o·dite noun [ See Epipodium .] (Zoology) The outer branch of the legs in certain Crustacea. See Maxilliped . Found on http://www.encyclo.co.uk/webster/E/56