目的观测盲肠的形态和位置，回盲口和回盲瓣的形态、大小。
Objective To observe morphology and locality of the cecums and morphology and size of the ileocecal apertures and the ileocecal valves.
目的观测盲肠的形态和位置，回盲口和回盲瓣的形态、大小。
Objective To observe morphology and locality of the cecums and morphology and size of the ileocecal apertures and the ileocecal valves.
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