D. ROBERTS / SCIENCE PHOTO LIBRARY D. ROBERTS / SCIENCE PHOTO LIBRARY
Chimpanzee skull. Coloured X-ray of a side view of a chimpanzee's (Pan troglodytes) skull. The cranium (upper right) is considerably smaller than in humans. It consists of many spongy bones (centre right) fused at sutures. A prominent brow ridge (upper left) is present above the eyes. The large lower jawbone (mandible, lower left) contains flat molar teeth and is attached to powerful chewing muscles.
Model release not required. Property release not required.