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cotyledon    
n. 子叶,瓦松属

子叶,瓦松属

cotyledon
n 1: embryonic leaf in seed-bearing plants [synonym: {cotyledon},
{seed leaf}]


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  • Cotyledon - Wikipedia
    The cotyledon of grasses and many other monocotyledons is a highly modified leaf composed of a scutellum and a coleoptile The scutellum is a tissue within the seed that is specialized to absorb stored food from the adjacent endosperm
  • Cotyledon | Definition, Description, Function, Examples, Facts . . .
    Cotyledon, seed leaf within the embryo of a seed Cotyledons help supply the nutrition an embryo needs to germinate and become established as a photosynthetic seedling and may themselves be a source of nutritional reserves or may aid the embryo in metabolizing nutrition stored elsewhere in the seed
  • COTYLEDON Definition Meaning - Merriam-Webster
    These are leaf-like structures, called cotyledons, that are part of the seed and serve as food sources until true leaves are formed and the plant becomes capable of photosynthesis
  • Understanding Cotyledons and Their Role in Plant Growth | Gardening . . .
    Cotyledons may be one of the first visible signs a plant has germinated, but what is a cotyledon? It is the embryonic part of a seed which stores fuel for further growth
  • What Is a Cotyledon? The First Leaf of a Plant - Biology Insights
    A cotyledon, often called a seed leaf, is the first leaf-like structure formed within the embryo of a seed This structure is a fundamental part of the developing plant and is present before the seed begins to sprout
  • Cotyledon | Definition, Function Types - Lesson | Study. com
    What is the simple definition of cotyledon? A cotyledon is the first leaf of a developing plant embryo This is the first part of the plant to emerge from the seed after germination
  • Cotyledon - Biology Simple
    In botany, a cotyledon is defined as the embryonic leaf within the seed of a plant It is responsible for providing essential nutrients and energy to the developing plant until it can begin producing its own food through photosynthesis
  • Cotyledon - an overview | ScienceDirect Topics
    These thick-walled cells are filled with protein and devoid of starch granules Vascular bundles, containing protein-filled, starch-free cells, are occasionally present in the cotyledons The cotyledon tissue, for the most part, is made up of large parenchyma cells
  • Cotyledon - bsbi. org
    Cotyledons are not considered 'true' leaves and are sometimes referred to as "seed leaves", because they are actually part of the seed or embryo of the plant These cotyledons emerge ready formed from the seed itself and persist until the first 'true' leaves appear
  • Cotyledon - ScienceDaily
    A cotyledon is a significant part of the embryo within the seed of a plant Upon germination, the cotyledon usually becomes the embryonic first leaves of a seedling





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