cicatricle in British English
(ˈsɪkəˌtrɪkəl), cicatrichule (sɪˈkætrɪˌtʃuːl) or cicatricula (ˌsɪkəˈtrɪkjʊlə)
noun1. zoology the blastoderm in the egg of a bird
2. biology any small scar or mark
Word origin
C17: from Latin
cicātrīcula a little scar, from
cicatrix