part of part of has part has part contributes to morphology of adipose tissue external ear pinna lobule of pinna SCTID:362544006 lobule of auricle UBERON:0001847 The earlobe is composed of tough areolar and adipose (fatty) connective tissues, lacking the firmness and elasticity of the rest of the pinna. Since the earlobe does not contain cartilage the earlobe has a large blood supply and may help to warm the ears and maintain balance but generally earlobes are not considered to have any major biological function. UMLS:C0229315 lobulus auriculae earlobe NCIT:C32999 FMA:60984 ear lobe auricular lobule pinna lobule lobule of auricle of ear Wikipedia:Ear_lobe lobe of ear ear lobule MA:0002468 The soft lower part of the external ear, projecting below the antitragus. areolar connective tissue external soft tissue zone