columella

名词 columella:

1. a small column (or structure resembling a column) that is a part of a plant or animal

col.u.mel.la

n.（名词）
【复数】 col.u.mel.lae[-mμl.ô]
Any small columnlike structure in various plants and animals, often forming the central axis of development for the organism or an anatomical structure.
小柱：植物和动物中的一种小的柱状结构，通常构成有机体发展或解剖架的中轴

来源：
Latin [diminutive of] columna [column] * see column
拉丁语 [] columna的小后缀 [柱子] *参见 column

【引伸】
col.umel.lar
col.umel.late.