Groove of crus of helix
Sulcus cruris helicis
Definition
The groove of crus of helix is a depression located at the anterior base of the helix, on the posterior surface of the auricular cartilage. It marks the separation between the crus of the helix, the tragus, and the adjacent structures of the auricle.
References
Dauber W. Lexique illustré d'anatomie Feneis, Médecine-Sciences Flammarion, Paris, 2007.
Drake RL, Vogl AW, Mitchell AWM. Gray's anatomie, le manuel pour les étudiants, 4th edition, Elsevier Masson, 2011.
Netter FH. Atlas d'anatomie humaine, 5th edition, Elsevier Masson, 2011.
Académie de Médecine. Dictionnaire médical - version 2026, Académie de Médecine website, accessed 9 Feb 2026.
