颏舌骨肌 geniohyoid 在下颌舌骨肌深面，起自下颌骨颏棘，止于舌骨。
下颔的下降赖臼齿与舌骨肌、颏舌骨肌和颈阔肌。
Make sure that your tongue touches the back of the lower teeth.
结果术后153例皮瓣全部成活，其中舌骨下肌皮瓣55例，颈阔肌皮瓣40例，胸锁乳突肌皮瓣52例，颏下岛状瓣6例；
Results Among 153 survival flaps, there were 55 infrahyoid myocutaneous flaps, 40 platysma flaps, 52 sternocleidomastoid flaps and 6 submental island flaps.
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