retroauricular fold

retroauricular fold

skin crease at the junction of the pinna and the postauricular skin.

ret·ro·au·ric·u·lar fold

(ret'rō-awr-ik'yū-lăr fōld)
Skin crease made by the junction of the pinna and the postauricular skin.
References in periodicals archive ?
Psoriasis of the retroauricular folds or the external auditory meatus may be particularly difficult to distinguish from infective or seborrhoeic dermatitis.