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.
There are almost 90 official warrior suffixes. With the sheer multitude of possible names, it is difficult to find the one that best fits your OC in terms of personality and traits. To help, I have created this quiz to help find the suffix that best fits your cat. This is currently version 2.0, as I will add more questions and suffixes as time goes by. (If I added a new suffix it would be version 2.1, but if I added a new question it would be version 3.0)