Clavicle (collar bone) Clavicles
Scapula (shoulder blade) Scapulae
Sternum (breast bone) Sterna
Ulna Ulnas or Ulnae
Radius Radii or Radiuses
Vertebra (spine) Vertebrae
Coccyx (tail bone) Coccyges
So if you ever thought to yourself how to speak of many patellae or humeri, now you know not to just add and “s” at the end. I am aware this is an especially short fun fact, but it is, nevertheless, fun. I hope you enjoyed this Friday's fun fact! If you have an itching to get to the bottom of a small fact that has been festering in your mind, or if you have a blog topic you would like me to cover, or if you would just like to express your thoughts on this first Fun Fact Friday, please feel free to comment below.