A beautiful scarf, isn't it? Friends and family would probably comment on the bright colors or the unique pattern. No one would have the faintest idea that the pattern on this silk scarf was taken from a slice of human bone. Histology is the study of the microscopic structure of tissues. A technique called "color phase microscopy" captures the osteocytes (bone cells) in red. Other scarves in the collection include cells from the brain, skin, and scalp.