The deeper, lower horizontal plexus is found at the dermal-subcutaneous interface and is composed of larger blood vessels than those of the superficial plexus (see Fig. 1-1).

较深的丛为深部水平血管丛，位于真皮、皮下组织交界部，由比浅丛大的血管组成。

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Superficial to the alar arcade is the subdermal plexus of the nasal tip skin that is supplied by branches of both ophthalmic and facial artery systems.

鼻翼弓浅层是鼻尖皮肤真皮下血管丛，由眼动脉和面动脉系统供应。

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Thepterygoid plexus had superficial and deep components and the second was the most prominent one in our study.

翼静脉丛有深浅两部分，本研究观察深部较为明显。

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