10. 有關外舌肌( extrinsic muscles of the tongue )的敘述,下列何者正確?
A. 莖突舌肌(styloglossus muscle )起源於莖突後方,可使舌頭前進和下降
B. 頦舌肌(genioglossus muscle )起源於下顎骨聯合處後方,是外舌肌群中最強壯的肌肉
C. 舌骨舌肌(hyoglossus muscle )可作為吞嚥及說話時分離口腔及咽腔的括約肌
D. 腭舌肌(palatoglossus muscle )可使舌頭下壓,支配神經為舌下神經(hypoglossal
nerve )