结果表明，在颈部脏器的前方存在气管前间隙和舌骨下肌后间隙，在后方存在咽后间隙和危险间隙。
The results showed that the pretracheal space and the posterior infrahyoid space located in front of the viscera of the neck and the retropharyngeal space and the danger space behind it respectively.
得出胸骨上间隙应是由颈深筋膜浅层和舌骨下肌筋膜围成，而不同于以往教科书中描述的由颈深筋膜浅层分为两层附着于胸骨形成。
It is found the suprasternal space should be enclosed by the superficial layer of the deep cervical fasciae and the fasciae of the infrahyoid muscles, rather than the past opinion of the textbook.
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