notch in cartilage of acoustic meatus

notch in car·ti·lage of a·cous·tic me·a·tus

[TA] (usually) two vertical fissures in the anterior portion of the cartilage of the external auditory meatus, filled by fibrous tissue. Synonym(s): incisura cartilaginis meatus acustici [TA], Duverney fissures, incisura santorini, Santorini fissures, Santorini incisures