A college science biology professor washing his hands and turning off the water faucet after an experiment in his classroom lab
A college professor setting up a slide of cells under a microscope to show his students in a biology laboratory
Close up on microscope lenses and a slide with human cancer cells in a science and medical research lab classroom
A college professor preparing slides of human cells for a microscope to show students in a biology research lab SLIDE LEFT
A college professor preparing slides of human cancer cells for a microscope to show his students in a medical biology research laboratory
A college professor cleaning the lens of a microscope to show his students in a biology research laboratory
A science college professor looking through a microscope at human cancer cells in a biology laboratory classroom
A scientist examining a slide with cancerous cells through a microscope in a medical research laboratory
A scientist examining a slide with human cancer cells through a microscope in a medical research laboratory
A scientist looking through the lens of a microscope at human cancer cells in a medical biology research laboratory
A scientist preparing a slide of his own cancer cells from a medical biopsy on a microscope in a medical research science lab
A scientist examining a slide of human cells with a microscope in a medical research science laboratory
A medical lab technician examining the cancer cells from a patients biopsy to diagnose the disease in a research laboratory
Close up on a scientist using a microscope on a medical slide with human cancer cells in a medical research laboratory
A scientist focusing on a slide of cancer cells from a medical biopsy on a microscope in a medical research science lab
A scientist preparing a slide of cancer cells from a medical biopsy with a microscope in a medical research science lab
