stoma
英 ['stəʊmə]
美['stomə]
- n. [植] 气孔；叶孔；[昆] 呼吸孔
英英释意
- 1. a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
- 2. a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)