vascularity 由脈管形成,維管性
vas·cu·lar·i·ty /ˌvæskjəˈlærətɪ/ 名詞
Vas·cu·lar·i·ty n.; pl. Vascularities Biol. The quality or state of being vascular. ◄ ►
vascularity n : the property being vascular; "a prominent vascularity"