basal cellListen to pronunciation(BAY-sul sel)A small, round cell found in the lower part (or base) of the epidermis, the outer layer of the skin.Enlarge this image in new windowAnatomy of the skin showing the epidermis (including the squamous cell and basal cell layers), dermis, subcutaneous tissue, and other parts of the skin.Search NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#