alopeciaListen to pronunciation(A-loh-PEE-shuh)The lack or loss of hair from areas of the body where hair is usually found. Alopecia can be a side effect of some cancer treatments.More InformationHair Loss (Alopecia) and Cancer TreatmentSearch NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#