chongoblog:meltedbartsimpson: fruitsoftheweb: “An oral view of O. bimaculoides in a vertical h
chongoblog:meltedbartsimpson: fruitsoftheweb: “An oral view of O. bimaculoides in a vertical hanging position. The buccal mass is located in a sinus formed by the base of the arms and includes an upper (blue) and lower (red) chitinous beak embedded in the mandibular muscles. Also shown are the esophagus and the buccal membrane lips, a ring of tissue that seals the sinus and covers the beaks.“ secret of pepsi New Pepsi Logo Design Document Page Unlocked -- source link