A late eosinophilic metamyelocyte in which the nucleus is in the form of a curved or coiled band, not having acquired the typical multilobar shape of the mature eosinophil. [ http://openisbn.com/search.php?q=0721601464&isbn=1/ http://www.cap.org http://www.ncbi.nlm.nih.gov/pubmed/19622087 GOC:tfm GOC:add ]