The developmental reduction of the marsu
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Merla Hubler; Lee A. Niswander; James Peters; Karen E. Sears
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Article
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2010
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John Wiley and Sons
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English
⚖ 328 KB
## Abstract During their embryogenesis, marsupials develop a unique structure, the shoulder arch, which provides the structural and muscle‐attachment support necessary for the newborn's crawl to the teat. One of the most pronounced and important aspects of the shoulder arch is an enlarged coracoid.