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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
  • 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
  • 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
  • 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 - American Daylily Society
    It consists of a short root, the radicle, and a short bud, a plumule, connected by a short shoot, the hypocotyl, that bears one or more cotyledons Because they form within the seeds, cotyledons are known also as seed leaves
  • 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 - 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 - 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 - 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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