叶鞘

[yè qiào]

• vagina
• sheath
• leaf sheath
• blade sheath
• vaginae

例句

1. 内皮层皮层的最内层，在根、茎的导管组织周围形成一道叶鞘（茎衣）
   The innermost layer of the cortex that forms a sheath around the vascular tissue of roots and some stems.

短语

• 叶腋
• 叶柄
• 叶脉