foramen

名词 foramen:

1. a natural opening or perforation through a bone or a membranous structure
   同义词：hiatus

fo.ra.men

n.（名词）
【复数】 fo.ram.i.na[-r2m.…-n…] 或 fo.ra.mens
An opening or orifice, as in a bone or in the covering of the ovule of a plant.
孔：如骨头或食物的覆盖膜上的小口或通气口

来源：
Latin for3men [an opening]
拉丁语 for3men [孔]
from for3re [to bore]
源自 for3re [钻洞]

【引伸】
foram.inal