【名词&注释】
体外受精(in vitro fertilization)、咽鼓管吹张(pharyngotympanic tube catheterization)、慢性化脓性中耳炎(chronic suppurative otitis media)、同源人工授精(artificial insemination by husband)、异源人工授精(artificial insemination by donor)、不完整(incomplete)、无性生殖(asexual reproduction)
[单选题]黏膜上皮浅层破溃而不完整(incomplete),未波及上皮全层称
A. 被覆黏膜
B. 咀嚼黏膜
C. 特殊黏膜
D. 糜烂
E. 溃疡