sustantivo[mass noun] Embryology
A loosely organized, mainly mesodermal embryonic tissue which develops into connective and skeletal tissues, including blood and lymph.
Oraciones de ejemplo
- Derived from embryonic mesoderm, mesenchyme is the first connective tissue formed.
- The branchial arches begin as cylindrical cores of mesenchyme sandwiched between continuous sheets of epidermal ectoderm and internal endoderm.
- In the sea-urchin embryo, for instance, the primary mesenchyme originates from epithelial cells of the blastula by their losing cadherins and producing enzymes that allow them to invade the basal lamina.
- Oraciones de ejemplo
- All animals, including the essentially epithelial cnidarians, nevertheless have the capacity to produce mesenchymal cells.
- In vertebrates, the limb apical epidermis promotes proliferation and inhibits differentiation of underlying mesenchymal cells.
- While turning an undistinguished group of mesenchymal cells into muscle is a complex transformation, that transformation can be turned on or off with a set of very simple commands.
Late 19th century: from Greek mesos 'middle' + enkhuma 'infusion'.
Definición de mesenchyme en:
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