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Sclerotome |
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sclerotome [′sklerĀ·ə‚tōm]
(embryology) The part of a mesodermal somite which enters into the formation of the vertebrae. (medicine) A knife used in sclerotomy. (vertebrate zoology) The fibrous tissue separating successive myotomes in certain lower vertebrates. Sclerotome in chordate (including human) embryos, the inferior internal portion of a primary segment, or somite. A sclerotome consists of skeletogenous mesenchyma, which during embryonic development separates from the somite, surrounds the cord and the central nervous system, and forms an axial skeleton; in fish the skeleton of the paired fins is also formed by the mesenchyma. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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