hirudo medicinalis, the european medicinal leech, is one of several species of leeches used as "medicinal leeches" - 水蛭吸血法 幅插畫檔、美工圖案、卡通及圖標水蛭, 雕刻圖像, 圖畫 - 藝術品
medicinal leech, hirudo medicinalis, vintage illustration 19th century, 1890s - 水蛭吸血法 幅插畫檔、美工圖案、卡通及圖標
fernleaf yellow false foxglove flower (aureolaria pedicularia) hemiparasitic connection to another plant root - 19th century - 水蛭吸血法 幅插畫檔、美工圖案、卡通及圖標雕刻圖像