Annual growth in total Medicare spending averaged 4.1% between 2010 and 2014, compared to 9.0% between 2000 and 2010, based on data from OACT, despite growth in the number of beneficiaries and increases in health care costs over these years (Figure 3) .
bowfin - primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America. Amia calva, dogfish, grindle. ganoid, ganoid fish - primitive fishes having thick bony scales with a shiny covering. Amia, genus Amia - type genus of the Amiidae.
Fish fins are the most distinctive features of a fish, composed of bony spines protruding from the body with skin covering them and joining them together, either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as seen in sharks. fish can have up to three dorsal fins. The dorsal fins serve to protect the fish against rolling, and assist it in sudden turns and stops. 1  In anglerfish, the anterior of the dorsal fin is modified into an illicium and esca, a biological equivalent to a fishing rod and lure.