咽旁间隙（ｐａｒａｐｈａｒｙｎｇｅａｌｓｐａｃｅ，ＰＰＳ）是位于咽后间隙两侧的潜在间隙，左右各一，形如倒置的锥形，上达颅底，下至舌骨大角，由厚筋膜层围成。咽旁间隙上界是颞骨的一小部分。其上内为起自翼内板至蝶骨棘的筋膜，该筋膜通过卵圆孔和棘孔的内侧，故... Parapharyngeal space (PPS) is a potential gap located on both sides of the retropharyngeal space, one on each side, shaped like an inverted cone, up to the skull base, down to the hyoid bone, surrounded by a thick fascia layer. The upper border of the parapharyngeal space is a small part of the sacrum. The upper part of the fascia from the wing inner plate to the sphenoid spine, the fascia through the oval hole and the inside of the spinous hole, so ...