男性，43岁，右下颌体部膨胀5年，生长缓慢。查体：下颌骨畸形，现张口受限，右下磨牙松动脱落，肿物表面见齿痕，颊侧膨隆。X线片示：右下颌角部阴影约4cm×5cm大小，可见多房性透光区，边缘呈半月切迹，左下双尖牙根呈锯齿状吸收，下颌骨下缘受累。
关于其组织来源不正确的是（）.
A.造釉器
B.牙板残余上皮
C.牙周膜内上皮
D.口腔黏膜基底细胞
E.根尖周囊肿衬里上皮
参考答案：E
| 根据对话内容，从方框内选择正确的句子完成对话，只填写序号。 | |
Mary: My name is Mary. I come from Australia,what about you? Nancy: 1_______.What do you want to be? Mary: I want to be all actor. And you? Nancy: 2_______ Mary: Why? Nancy: 3_______ Mary: What do your parents do? Nancy: My father is a teacher and my mother is a bank clerk. Mary: 4_______ Nancy: Yes, they are. Mary: My parents both work in a hospital. Nancy: 5_______ Mary: They are doctors. |