micropyle
[医] 卵孔, 珠孔
发音
UK
/ˈmaɪ.kɹəʊˌpaɪl/
US
/ˈmaɪ.kɹoʊˌpaɪl/
词形变化
micropyles
复数
micropyles
别名
mycropyle
释义与例句
n.
-
1.
In seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum.
生物 植物学 -
2.
The hilum of an ovum at the point of attachment to the ovary; any opening in the coverings of an ovum by which spermatozoa may find entrance.
生物 动物学
词汇关系
词源
From French, from Ancient Greek μικρός (mikrós, “small”) + πύλη (púlē, “gate”).
来源:wiktionary