cicatricle

cicatricle noun

1. zoology the blastoderm in the egg of a bird
2. biology any small scar or mark

Word Origin for cicatricle C17: from Latin cicātrīcula a little scar, from cicatrix Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012