aerial view of two environmental engineers work at wastewater treatment plants, water management concept. - 醫學樣本 個照片及圖片檔污水處理廠, 工程師, 建築物
biochemical analysis of blood, covid-19. sample analysis in a large laboratory. male hand puts samples into analysis machine. hospital lab. - 醫學樣本 個照片及圖片檔機械, 實驗室, 體檢
the doctor in medical gloves with a pen in his hands writes the results of studies or fills out forms documents. next to the container with the semen analysis. donor sperm for artificial insemination. - 醫學樣本 個照片及圖片檔精子, 體檢, 檢查
Medical samples in vacutainer tubes held by a laboratory technician in a medical laboratory on December 5, 2018 in Cardiff, United Kingdom.醫院, 英國
person holding dna swab in young woman's mouth, close up of mouth, studio shot - 醫學樣本 個照片及圖片檔棉花棒, 體檢, 口水
black female doctor loading a centrifuge with patient samples in a hospital lab - 醫學樣本 個照片及圖片檔醫學實驗室, 醫院, 實驗室
healthcare worker working at the laboratory and taking medicines out of a fridge - 醫學樣本 個照片及圖片檔雪櫃, 醫院, 實驗室
male medical worker pipetting chemical in test tube while working in laboratory - 醫學樣本 個照片及圖片檔實驗室, 科學家, 檢查
low angle view of female scientist holding tray of medical samples in laboratory - 醫學樣本 個照片及圖片檔科學家, 實驗室, 特寫
female scientist testing medical marijuana. charts and models on computer screens. modern laboratory interior - 醫學樣本 個照片及圖片檔癌症, 實驗室
immunofluorescent photomicrograph, organs samples, histological examination, histopathology on the microscope - 醫學樣本 個照片及圖片檔抽象, 細胞, 藍色
petri dishes with smear of cosmetic gel and aloe vera plant on white background. concept of chemical laboratory research of cosmetics. natural medicine, cosmetic research, organic beauty products. - 醫學樣本 個照片及圖片檔白色的背景, 培養皿, 實驗室