vascular zone

vas·cu·lar zone

an area in the external acoustic meatus where a number of minute blood vessels enter from the mastoid bone.
References in periodicals archive ?
This vasoconstriction shifts the blood from hepato splanchnic vascular zone to cutaneous vascular zone [4] to overcome the effect of heat stress.
The second response is reflex vasodilatation in the cutaneous vascular bed and vasoconstriction in the hepato-splanchnic vascular zone due to shifting of blood from this zone to cutaneous vascular zone to overcome the effect of heat stress.
Was it a disruption of the capsular attachment to the peripheral vascular zone of the medial meniscus that bled and then settled?
Repair is definitely feasible when a traumatic vertical longitudinal tear is within the vascular zone.