下列哪种细胞不形成胶质瘤（）。 ["A．星形胶质细胞","B．室管膜细胞","C．小胶质细胞","D．少突胶质细胞","E．原始神经上皮细胞"]
中央性尼氏小体溶解在横断神经时发生，并伴有() ["A．神经元纤维缠结","B．Waller变性","C．神经元空泡变性","D．神经细胞被噬现象","E．胶质细胞增生"]
阵发性绞痛、血尿()持续性刀割样腹痛，膈下有游离气体()咽红、高热、右下腹痛()转移性右下腹痛() ["A．急性阑尾炎","B．右输尿管结石","C．胆结石","D．胃十二指肠溃疡穿孔","E．急性肠系膜淋巴结炎"]
右下腹痛，呈绞痛，向会阴部放射()病儿有上呼吸道感染史，腹部压痛偏内侧，范围不固定，可随体位变更() ["A．右输尿管结石","B．消化性溃疡穿孔","C．宫外孕","D．急性阑尾炎","E．急性肠系膜淋巴结炎"]
小儿急性阑尾炎有哪些特点?
妊娠中、后期阑尾炎时()胆道蛔虫病有()小儿阑尾炎有()老人阑尾炎有()异位阑尾炎有()
