释义 |
preauricular sinus preauricular sinussinus tract or pit in preauricular skin, resulting from developmental defect of the first and second branchial arches. Synonym(s): preauricular pitpre·au·ric·u·lar si·nus (prē'awr-ik'yū-lăr sī'nŭs) Sinus tract or pit in preauricular skin, resulting from developmental defect of the first and second pharyngeal arches. Synonym(s): preauricular pit. |