heart and its openings - steel engraving from hand atlas of human anatomy - 1860 - 血管瓣 幅插畫檔、美工圖案、卡通及圖標心型, 人體構造
comparison of healthy leg and varicose veins on human lower legs medical illustration - 血管瓣 幅插畫檔、美工圖案、卡通及圖標女人
arteries: pelvis, thigh, leg, foot - 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, 生物醫學圖解, 健保和醫療