doctor hands wearing protective gloves and holding swab and tube. positive test sample with virus cells. - 鼻竅 幅插畫檔、美工圖案、卡通及圖標試管, 棉花棒
neck anatomy showing arteries of pharyngeal region and thyroid, parathyroid glands. - 鼻竅 幅插畫檔、美工圖案、卡通及圖標
illustration of weddell seal and cross section of sperm whale showing lungs, nasal passages, spermaceti, spermaceti organ and blowhole - 鼻竅 幅插畫檔、美工圖案、卡通及圖標抹香鯨, 人體構造
victorian nasal irrigation machine by dr. ray vaughn pierce (wall mounted neti pot) - 19th century - 鼻竅 幅插畫檔、美工圖案、卡通及圖標
this image depicts the stomach, gastrointestinal system and sectioned head within the human body. - 鼻竅 幅插畫檔、美工圖案、卡通及圖標
cutaway diagram of human respiratory system, including nasal and mouth cross section. - 鼻竅 幅插畫檔、美工圖案、卡通及圖標食道