valvate

adj.

有阀门的；

valvate
A new group of Early Devonian plants with valvate sporangia containing sculptured permanent dyads
Valvate vesical catheter
Development of a water lifting handpump based on novel valvate systems
The 'Valvate' System Related to Percussive Boring and Sampling Techniques
Development of a water lifting handpump based on novel valvate systems.
THE GENUS THALASSIOSIRA (BACILLARIOPHYCEAE): MORPHOLOGY OF HETEROVALVATE RESTING SPORES OF T. SCOTIA
The genus Thalassiosira (Bacillariophyceae) morphology of heterovalvate resting spores of Thalassiosira scotia
The position of the labiate process in the diatom genus Skeletonema
The diversity of stamen structures and dehiscence patterns among Magnoliidae