Protruding auricle: A neuromuscular sign.
A protruding auricle is usually associated with a defect in development or function of the posterior auricular muscle, which normally draws the pinna towards the calvarium. Hence, a protruding auricle may be a sign of a neuromuscular disorder, as is ptosis.
D000015:Abnormalities, Multiple; D002648:Child; D004426:Ear Deformities, Acquired / Q000209:etiology* / Q000235:genetics; D004431:Ear, External / Q000002:abnormalities*; D005152:Facial Muscles / Q000002:abnormalities*; D005260:Female; D005333:Fetus; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D009468:Neuromuscular Diseases / Q000150:complications* / Q000235:genetics; D011247:Pregnancy