asternal
1. [ adjective ] (anatomy) not connected to the sternum or breastbone
Examples:

"asternal ribs"

Related terms: anatomy unconnected
Similar spelling:   astern
  aster
  asteroidal
  asterismal
  ashtray
  asterion
  Asteridae
  Asteroidea
  austerely
  Asterope
  asteroid
  asterism
  asterisk
  Astarte