[名词解释] 血体腔

下列哪些疾病在腹部望诊时多有相应发现 ["十二指肠溃疡","胃炎","肠梗阻","大量腹水","严重营养不良"] 叶鳃 无节幼体 胃型或肠型可见于（） ["急性胃扩张","幽门管溃疡","肠梗阻","极度消瘦者","Crohn病"] 双肢型附肢 血体腔