名詞 funiculus:

1. the stalk of a plant ovule or seed
   同義詞：funicle
2. any of several body structure resembling a cord

fu.nic.u.lus

n.（名詞）
【復數(shù)】 fu.nic.u.li[-lo.] 也作 fu.ni.cles
Anatomy A slender cordlike strand or band, especially:
【解剖學】 索：細長的索狀繩或帶，尤指：
A bundle of nerve fibers in a nerve trunk.
精索：神經(jīng)干上的一束神經(jīng)纖維
One of three major divisions of white matter in the spinal cord, consisting of fasciculi.
白索：脊髓里的白色物質(zhì)的三個主要部分之一，含有神經(jīng)束
The umbilical cord.
臍帶
Botany A stalk connecting an ovule or a seed with the placenta.
【植物學】 珠柄：與胚珠或含胎座的種子相接的葉柄

來源：
Latin fôniculus [slender rope] [diminutive of] fônis [rope]
拉丁語 fôniculus [細索] [] fônis的小后綴 [索，纜繩]