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 ①舌下腺Sublingualgland②颌下腺导管Submandibularduct③颌下腺导管口Theopeningofsubmandibularduct④舌下肉阜Sublingualcaruncle⑤舌下襞Sublingualfold⑥舌系带Frenulumoftongue (共 139 字) [阅读本文] >>