| 单词 | 珠孔 |
| 释义 | 〔orthotropous〕Growing straight, so that the micropyle is at the end opposite the stalk. Used of an ovule.直生的：直立生长以至珠孔在茎的另一端的。用于形容胚珠〔anatropous〕Completely inverted so that the micropyle is facing downward and situated near the base of the funiculus:胚珠倒生的：胚珠完全颠倒使得珠孔朝下，位于珠柄基部的： |
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