| 1. | Congestion of the mucosa is a variable sign .
粘膜充血是不恒定的表现。 |
| 2. | The worms have perforated the mucosa to suck blood .
虫体钻入粘膜吸血。 |
| 3. | The mucosa may become completely denuded .
粘膜可以完全剥脱。 |
| 4. | Larvas become retarded in the mucus .
幼虫被阻留在粘膜内。 |
| 5. | Care must be taken not to damage the rectal mucosa .
必须注意不要损伤直肠粘膜。 |
| 6. | Then the lining is separated from the rectum's muscular wall .
然后将直肠的肌壁与粘膜分离开。 |
| 7. | The slime layer consists of one aerobic and one anaerobic sublayer .
粘膜层由好气分层和厌气分层所组成。 |
| 8. | Healthy, skin, mucous membranes, and cilia are natural barriers to many viruses .
健康的皮肤，粘膜和纤毛是许多病毒的天然屏障。 |
| 9. | Calf diphtheria, is characterized by bilateral necrosis of the mucous membrane of the larynx .
犊白喉，以喉粘膜的两侧性坏死为特征。 |
| 10. | Gastric and duodenal ulcers were noted to evolve from early superficial mucosal disease .
在早期浅表的粘膜病变上出现胃和十二指肠溃疡。 |
