QH 3329-8 Human anus model-Qinghua Science & Education

This life size model shows a frontal section of the human anus. Structures of the rectum, including the internal and external sphincter muscles, mucous membrane, ampullae and anal valves are readily visible. Mounted on board.

Size (cm): 20*15*12

QH 3330 Electronic Model of Urine Formation

QH 3329-4 Human stomach model

QH 3330 Electronic Model of Urine Formation

QH 3329-4 Human stomach model

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