Ummm.. I’m looking at Elsa’s snowflakes and seeing b cells presenting antibodies… IgM is a pentamer but still, I see immunoglobulin polymers even if they don’t exist!

http://en.wikipedia.org/wiki/Antibody

Would anyone notice if I snuck an IgM in there? Pretty sure that’s from a discworld novel- a non six sided snowflake just to see… Discworld Jack Frost is a bit of a grumpy bear really….

‘I resent the implication that I am solely fern fixated,’ said Jack Frost. ‘I can also do a very nice 

paisley pattern.’