NCI Dictionary of Genetics Terms

The NCI Dictionary of Genetics Terms contains technical definitions for more than 200 terms related to genetics. These definitions were developed by the PDQ® Cancer Genetics Editorial Board to support the evidence-based, peer-reviewed PDQ cancer genetics information summaries.

skin tag
(skin tag)
A small, benign skin growth that may have a stalk (peduncle). Skin tags most commonly appear on the neck, axillary, groin, and inframammary regions. Also called acrochordon.