vascular circle

vas·cu·lar cir·cle

1. circumferential formation of arteries and/or veins.
2. the circle around the mouth formed by the inferior and superior labial arteries;
3. Synonym(s): areolar venous plexus
Synonym(s): circulus vasculosus [TA]

vascular circle

(1) Areolar venous plexus; plexus venosus areolaris [NA]. 
(2) The anastomosing vascular network formed by the inferior and superior labial arteries.
References in periodicals archive ?
The hip joint gains its supply through vascular circle formed by the superior and inferior gluteal artery and other artery (Beck et al, 2003).
"One point" embolization can be selected without a vascular circle. Otherwise, "two points" embolization should be the best choice.