It was observed at the first time that there were simple tubular glands on the apical egment 尖端突的横切面上首次发现有单管腺。其功能有待进一步研究。
2.
Simple tubular glands of gut wall seen in low power . these glands are lined with epithelium throughout their whole extent 低倍镜观察肠管内的单管腺。这些腺体内均衬以上皮。
3.
It was observed at the first time that there were simple tubular glands on the deferent duct and its apical segment 3 .在输精管及其尖端突的横切面上发现有单管腺。其功能有待进一步确证。
