A. KELSEY LEWIS, YONG WAN, MARY COLASANTO, MARK VAN LANGEVELD, RONEN SCHWEITZER, CHARLES HANSEN, AND GABRIELLE KARDON, FASEB BIOART COMPETITION
Image of the Day: Illuminated Limb
Researchers labeled this embryonic mouse limb with a variety of techniques to differentiate muscles, tendons, bones, and nerves.

