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auditory hillocks, pharyngeal arch 1 derived

^ http://purl.obolibrary.org/obo/UBERON_0016611


A collection of protruberances derived from pharyngeal arch 1 that develop into the tragus, crus of the helix, and helix. [ http://php.med.unsw.edu.au/embryology/index.php?title=Hearing_-_Outer_Ear_Development#Pinna-_Auricle ]