INTERNAL EARS—A 3-D image generated from a CT scan highlights selected tissue groups of a bottlenose dolphin?s head. It shows the relationships of the exterior skin (blue), brain (pink), inner ear bones (red), and specialized auditory fats (orange). The fats form paired lobes inside the head along the jaw and are very similar in shape to the outer ear flaps (pinnae) of bats. (Courtesy of Darlene Ketten, WHOI)[back]
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