名詞 hilum:

1. (anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ
   同義詞：hilus
2. the scar on certain seeds marking its point of attachment to the funicle

hi.lum

n.（名詞）
【復數】 hi.la[-l…]
Botany
【植物學】
The scar on a seed, such as a bean, indicating the point of attachment to the funiculus.
種臍：種子（如豆）上的疤痕，系胚珠于胚珠柄的痕跡
The nucleus of a starch grain.
淀粉粒的核
Anatomy The area through which ducts, nerves, or blood vessels enter and leave an organ or a gland.
【解剖學】 門：腺或某些器官的供血管、神經或小管出入的部位

來源：
Latin [trifle]
拉丁語 [小而不足道的]

【引伸】
hi.lar