female scientist checks the bacteria or sample under the microscope, while other scientists work in background - 寄生 個照片及圖片檔實驗室, 醫學研究, 顯微鏡
woman working in a laboratory. he writes with a felt pen. selective focus - 寄生 個照片及圖片檔蠕蟲 - 無脊椎動物, 各種病症, 實驗室
parasitic fungus, cordyceps sp, infests and kills insect host. manu np. southeast peru - 寄生 個照片及圖片檔蟲草屬, 昆蟲, 菌類
photomicrograph of tapeworm ( taenia pisiformis) showing scolex (head suckers and hooks) and proglottids (segments) formed below neck; 10x. - 寄生 個照片及圖片檔蠕蟲 - 無脊椎動物
The 92nd Oscars® broadcasts live on Sunday, Feb. 9,2020 at the Dolby Theatre® at Hollywood & Highland Center® in Hollywood and will be televised live...
female veterinarian listens to the dog's heart and lungs with a stethoscope while assistant holds the dog and calms it by petting - 寄生 個照片及圖片檔動物醫院, 實驗室, 動物
old engraved illustration of anatomy of various invertebrate intestinal parasites (worms) - liver fluke, annelids, roundworms, human roundworm, pinworms, trichinae) - 寄生 個照片及圖片檔
conceptual biomedical illustration of primary amoebic meningoencephalitis - 寄生 幅插畫檔、美工圖案、卡通及圖標福氏耐格里阿米巴, 傳染病, 變形蟲