Definition: Pselaphelia, also known as a pectoral girdle, is a type of skin covering found on most mammals, particularly those that have a large chest or abdominal cavity. It is composed of two layers, the outer layer called the sternum and the inner layer called the scapulae, which are typically triangular in shape. These structures provide support to the body's various organs, including the heart, lungs, and intestines. The pectoral girdle plays
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