planula

名词 planula:

1. the flat ciliated free-swimming larva of hydrozoan coelenterates

plan.u.la

n.（名词）
【复数】 plan.u.lae[-lô.]
The flat, free-swimming, ciliated larva of a coelenterate.
浮浪幼体：腔肠动物其扁平的，能自由浮游的，有纤毛的幼体

来源：
New Latin
现代拉丁语
from Latin [feminine diminutive of] pl3nus [flat (from its shape)] * see pel…- 2
源自 拉丁语 [] pl3nus的阴性词小后缀 [扁平的（来自它的形状）] *参见 pel…- 2

【引伸】
plan.ular 或
plan.ulate.