| 单词 | primary pit field | 
| 释义 | > as lemmasprimary pit field   primary pit field  n. Botany an area of reduced thickness in a primary cell wall, characteristically penetrated by numerous plasmodesmata. ΚΠ 1934    Jrnl. Arnold Arboretum 15 332  				Cambial walls are characterized by having more or less numerous plasmodesmata which may be..aggregated in thinner areas of the walls, i.e. in so-called primary pit-fields. 1992    M. Ingrouille Diversity & Evol. Land Plants 26  				In parenchyma cells, the cell wall is uniformly thin except in areas with dense plasmodesmata, the primary pit field, where it is even thinner. < as lemmas | 
| 随便看 | 
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。