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Our Customer Service team is available from 7:30am to 8pm, ET, Monday through Friday.
Find your Carolina Sales Manager for K-8 Smithsonian and Building Blocks of Science Programs.
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Altay®. Life size. Model shows a frontal section of the human rectum and anus. Structures of the rectum, including the internal and external sphincter muscles, mucous membrane, ampullae, and anal valves are readily visible. Size, 20 x 10 x 6 cm.