veins: arm, forearm, hand, pelvis - steel engraving from hand atlas of human anatomy - 1860 - 血管瓣 幅插畫檔、美工圖案、卡通及圖標人體構造
medical illustration of a human lymphatic vessel, valves and nodes - 19th century - 血管瓣 幅插畫檔、美工圖案、卡通及圖標
human circulatory system. female body. human heart. cardiovascular system. artery and vein. - 血管瓣 幅插畫檔、美工圖案、卡通及圖標冠狀動脈
human lungs icons on background. lung puzzle missing piece concept, respiratory disease awareness, minimal line illustrationvector stock illustration - 血管瓣 幅插畫檔、美工圖案、卡通及圖標