This is an electron microscopy picture of a section through the flagellum of a Drosophila melanogaster sperm cell. The base of the flagellum is on the left, and the falgellum's skeleton extends from ...
A microscope picture of human bone cells (U2OS) showing the localization of a lipid (phosphatidylethanolamine). The lipid is visible in orange, the cell membrane in purple, and endosomes in white. New ...