scalariform pitting 中文意思是什麼
scalariform pitting
解釋
梯紋加厚- scalariform : adj. 【動物；動物學】梯狀的；【植物；植物學】階紋的。 a scalariform vessel 梯紋導管。
- pitting : （疲勞）點蝕
-
Vessels solitary with angular outline ; perforation plates scalariform ; intervessel pits and vessel - ray pitting alternate to scalariform ; helical thickenings only in vessel elements tails
導管橫切面為多角形，單管孔，散生。螺紋加厚僅出現導管分子尾端。梯狀穿孔為主。 -
Wood semi - ring - porous ; vessels solitary with angular outline ; perforation plates reticulate and scalariform ; intervessel pits and vessel - ray pitting alternate ; helical thickenings throughout body of vessel elements
單管孔，散生；整個導管分子上具螺紋加厚。網狀和梯狀穿孔。 -
Wood semi - ring - porous ; vessels solitary with angular outline ; perforation plates scalariform ; intervessel pits and vessel - ray pitting opposite or opposite to scalarifonn ; helical thickenings in vessel elements present
梯狀穿孔板；管間紋孔式為互列；射線導管間紋孔式多對列，類似導管面間紋孔式。
分享友人