论文部分内容阅读
对正常人体中耳粘膜的组织结构以往已有不少研究。但有关此种粘膜的微细结构及其胚胎来源迄今仍有争论。为此,作者作了进一步的观察。标本制作方法:将6.5%戊醛通过鼓膜注入死亡15—135分钟内53—74岁的7具尸体8个中耳内。这些病人生前无鼓膜或中耳疾患。10—24小时后取其颞骨置于蔗糖一二甲砷基液中,在+2°F下保存6日—9个月。暴露乳突腔及中耳的各部份,用cawthorne氏器
On the normal human middle ear mucosa tissue structure in the past there have been many studies. However, there is still controversy about the fine structure of such mucosa and the origin of its embryos. To this end, the author made a further observation. Specimen Preparation: 6.5% valeral injected through the tympanic membrane within the death of 15-135 minutes 53-74-year-old body of 7 8 middle ear. These patients had no tympanic membrane disease or middle ear disease. 10-24 hours after taking the temporal bone placed in sucrose arsenic dimethyl arsenate solution, at +2 ° F for 6 days to 9 months. Expose the parts of the mastoid cavity and middle ear, using a cawthorne