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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:
  • 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 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 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
  • Seedling - Wikipedia
    The plumule is the part of a seed embryo that develops into the shoot bearing the first true leaves of a plant In most seeds, for example the sunflower, the plumule is a small conical structure without any leaf structure
  • PLUMULE | English meaning - Cambridge Dictionary
    In most seeds, for example the sunflower, the plumule is a small conical structure without any leaf structure
  • Difference Between Plumule and Radicle | Definition, Structure . . .
    The plumule is the rudimentary shoot of the seed embryo, which develops into the first true leaves It is found above cotyledons during the germination of the seed
  • 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
  • Epicotyl vs. Plumule - Whats the Difference? | This vs. That
    The plumule, also known as the embryonic shoot, is another crucial part of the plant embryo It is found within the seed and is responsible for the development of the plant's shoot system
  • An Overview - BYJUS
    Plumule is the essential part of the seed embryo which further develops into the shoot of the plant The plumule of the seed emerges out of the soil and develops young leaves and stems





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