The deeper, lower horizontal plexus is found at the dermal-subcutaneous interface and is composed of larger blood vessels than those of the superficialplexus (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。
2
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。
3
Thepterygoid plexus had superficial and deep components and the second was the most prominent one in our study.