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  • Somite - Wikipedia
    The somites (outdated term: primitive segments) are a set of bilaterally paired blocks of paraxial mesoderm that form in the embryonic stage of somitogenesis, along the head-to-tail axis in segmented animals
  • Somite | Vertebrate Embryo, Segmentation Mesoderm | Britannica
    somite, in embryology, one of a longitudinal series of blocklike segments into which the mesoderm, the middle layer of tissue, on either side of the embryonic spine becomes divided Collectively, the somites constitute the vertebral plate
  • Somites: Formation and Role in Developing the Body Plan
    The process of somite formation, or somitogenesis, depends on five important components: periodicity, fissure formation, epithelialization, specification, and differentiation Formation begins as paraxial mesoderm cells organize into whorls of cells called somitomeres
  • What Are Somites? Their Role in Embryonic Development
    Somites are blocks of mesoderm tissue that appear sequentially along the head-to-tail axis in the developing embryos of all vertebrates These structures form directly alongside the developing neural tube, acting as the foundation for the body’s segmented organization
  • 27. 4C: Somite Development - Medicine LibreTexts
    somite: One of the paired masses of mesoderm, distributed along the sides of the neural tube, that will eventually become dermis, skeletal muscle, or vertebrae
  • Somitogenesis - Embryology
    A somite is added either side of the notochord (axial mesoderm) to form a somite pair The segmentation does not occur in the head region, and begins cranially (head end) and extends caudally (tailward) adding a somite pair at regular time intervals
  • Multiple roles of timing in somite formation - PMC
    In the chick, one somite forms every 90 minutes or so; this varies somewhat among different vertebrates: faster in teleost and anuran amphibian embryos and slower in most mammals
  • Somite - an overview | ScienceDirect Topics
    At about 20 days of gestation, the paraxial mesoderm divides into paired cuboidal structures called somites These somites are located laterally on both sides of the developing neural tube The first pair of somites is near the rostral end of the neural tube
  • Somites: Formation, Differentiation, and Significance
    Somites are temporary, paired blocks of tissue that emerge early in the development of vertebrate embryos These structures form sequentially along the head-to-tail axis, originating from a specific embryonic tissue layer known as the mesoderm
  • Periodic formation of epithelial somites from human . . . - Nature
    Here, we report the generation of human somitoids, organoids that periodically form pairs of epithelial somite-like structures





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