stoma

The development of xylem is of mesarch.Stomata are monocyclic type.

叶脉、叶柄、上胚轴维束均为外韧型。

Objective To evaluate the clinical effect of Kanglebao stoma bag on enterostomy patients.

目对康乐保造口袋在结造口患者中临床应效果及护理进行评估。

It is incorrect that only stoma density and stomatic chamber size are used as xerophilous indexes.

单纯地把气孔密度、气室大小为抗旱指标是不正确。

Antitranspirant A chemical that reduces transpiration. Antitranspirants may work by depositing a waterproof film over the stomata or by inducing stomatal closure.

可以减少蒸腾化学物质。抗蒸腾剂可以通过沉积气孔上防水膜或诱导气孔关闭起。