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plumule    
n. 幼芽,棉毛

幼芽,棉毛

plumule
n 1: down feather of young birds; persists in some adult birds

Plumule \Plu"mule\, n. [L. plumula, dim. of pluma a feather; cf.
F. plumule.]
1. (Bot.) The first bud, or gemmule, of a young plant; the
bud, or growing point, of the embryo, above the
cotyledons. See Illust. of {Radicle}. --Gray.
[1913 Webster]

2. (Zool.)
(a) A down feather.
(b) The aftershaft of a feather. See Illust. under
{Feather}.
(c) One of the featherlike scales of certain male
butterflies.
[1913 Webster]


Plumula \Plu"mu*la\, n.; pl. L. {Plumule}, E.{-las}. [L. See
{Plumule}.]
1. (Bot.) A plumule.
[1913 Webster]

2. (Zool.) A down feather.
[1913 Webster]

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英文字典中文字典相關資料:
  • PLUMULE中文 (简体)翻译:剑桥词典 - Cambridge Dictionary
    In most seeds, for example the sunflower, the plumule is a small conical structure without any leaf structure
  • Radicle and Plumule: Definition, Differences, and Functions
    A plumule is a tiny shoot within a seed that develops into the embryonic stem and leaves of a new plant during germination Essentially, it’s the plant’s early stage of shoot development
  • plumule - 搜索 词典
    2 Stage I of seed development produces the radicle, which gives rise to the root, and the plumule, giving the shoot and cotyledons 种子 发育 的 第一 个 时期 是 形成 胚 根 和 胚芽, 胚 根 形成 根, 胚芽 形成 茎 和 子叶。
  • PLUMULE Definition Meaning - Merriam-Webster
    The meaning of PLUMULE is the primary bud of a plant embryo usually situated at the apex of the hypocotyl and consisting of leaves and an epicotyl
  • plumule是什么意思_plumule的翻译_音标_读音_用法_例句_爱词霸在线词典
    爱词霸权威在线词典,为您提供plumule的中文意思,plumule的用法讲解,plumule的读音,plumule的同义词,plumule的反义词,plumule的例句等英语服务。
  • PLUMULE 释义 | 柯林斯英语词典 - Collins Online Dictionary
    查看相关内容 plumule in American English (ˈplumjul , ˈplujəl ) 名词 Origin: ModL < L plumula, dim of pluma, feather: see plume 1 botany
  • Plumule - an overview | ScienceDirect Topics
    Seeds of wheat have the embryo with a plumule (the embryonic shoot) and a radicle (primary root) The plumule includes the coleoptile, approximately four leaf primordia and the dome-shaped shoot apex that will be responsible for the development of more leaves first and reproductive organs later
  • Plumule | plant shoot | Britannica
    The young shoot, or plumule, is said to be negatively geotropic, because it moves away from the soil; it rises by the extension of either the hypocotyl, the region between the radicle and the cotyledons, or the epicotyl, the segment above the level of the cotyledons
  • Plume, Plumule, Plumose
    In botany there is an actual structure called the plumule, which is the primary bud of a plant embryo or the first shoot above the cotyledons In botanical descriptions we often say a plant has feathery leaves, and the flowers and seed heads of grasses are also often described as feathery or plumose
  • Plumule of Seed - GeeksforGeeks
    The plumule refers to a bud-like structure that is the rudimentary shoot apex or embryonic shoot found within the seed embryo of a plant It represents the precursor to the plant's shoot system and develops into the leaves, stem meristem, and, potentially, the apical bud





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