Although the entire cell appears light blue in color the nucleus at the central part of the cell is much darker which allows it to be identified. See the image below illustrating the human cheek cells about 80 µm wide scale bar is 50 µm. Human Cheek Cell Wet Mount Under Phase Contrast Things Under A Microscope Cell Human How to see the cell nucleus under a microscope. . Squamous-cell skin cancer also known as cutaneous squamous-cell carcinoma cSCC is one of the main types of skin cancer along with basal cell cancer and melanoma. It has been designed for biology students at the college and high school level but is useful for medical students physicians science writers and all types of interested people. Place one slide under the microscope and adjust the viewer until you can see the outlines of the cells. The procedure repeats until the layers no longer show evidence of cancer. To see the cell. Explore topics on usage care