Objective To discuss the application of small incision used in uterectomy under velamen.

探讨小口筋膜内除术在临床中的应用价值。

The exodermis cell wall possesses the highest auto-fluorescent intensity whereas that of velamen the lowest.

自发荧光强度以外层的最高，根被的最低。

The observation on the microstructure of six orchids demonstrated that they have the typical orchidaceous roots with velamen and thick cortical tissue.

本文对密花石斛等六种物根的显微结构进行了比较观察。