摘要
对66例不同胎龄人胚胎及生后不同年龄人肺的5-羟色胺细胞和降钙素细胞进行了免疫细胞化学研究.发现胚胎时期及新生儿肺的5-羟色胺细胞和降钙素细胞多于生后其它时期.5-羟色胺阳性细胞存在于小支气管、细支气管、终末细支气管上皮,以胚胎时期的原始肺泡壁多见.细胞形态多样,常有穿过基膜的突起,且能形成神经上皮小体.降钙素阳性细胞位于小支气管及细支气管上皮,呈锥形,很少形成神经上皮小体.
The neuroendocrine cells in 66 human lungs have been observed by immunocytochemical method. The number of 5-HT and calcitonin positive cells in fetal and neonatal lungs is greater thanthat in postnatal lungs. The 5-HT positive cells can be seen in the epithelium of bronchi,bronchioles and terminal bronchioles, but they are often found in the epithelium of the primitivealveoli in fetal stage. They vary in shape and often have processes penetrating through the basement membrane. Some 5-HT positive cells are distributed in groups and construct neuroepithialbodies. On the other hand, the calcitonin positive cells arc mainly located in the epithelium ofbronchi and bronchioles in pyramidal appearance, and few neuroepithial bodies composed ofcalcitonin positive cells can be seen.
出处
《解剖学杂志》
CAS
CSCD
北大核心
1995年第6期542-545,共4页
Chinese Journal of Anatomy
基金
江西省自然科学基金资助项目
