Dictionary of Human Evolution and Biology

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Large Gut

Term descriptive of the typically triangular aspect of the torso of many hominoids, with a wide girth at the waist rising to a rib cage that decreases in size at an apex near the sternum and collarbones (the inverted funnel). The interpretation of some functional anatomists is that this shape is an adaptation for the consumption of large amounts of vegetable matter, as, for example, in gorillas and some early hominids such as Lucy; the narrow rib cage indicates little control over shallow breathing and argues against a sophisticated use of language.

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