Likely a sterile medium means an uncontaminated culture (food free of living organisms) that will grow only the new bacteria introduced for analysis. Source(s): http://www.thefreedictionary.com/sterile
Stonepelt was Bluestar's first mentor and a very well-respected senior warrior of ThunderClan. It is revealed in this book that he took her to the Gathering on her second day as an apprentice because she had caught a squirrel very well for a new apprentice, and the squirrel had been as big as she was.
v Â· e Â· d. The Dragonstone+ (çç«ç³ Shin RyÅ«seki, lit. True Dragonstone) is a powerful Dragonstone that appears in Fire Emblem Awakening and Fire Emblem Fates. The Dragonstone+ awards very large stat bonuses to its wielder, making it the strongest stone in Awakening.