epiboly


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e·pib·o·ly

, epibole (ē-pib'ŏ-lē),
1. A process involved in gastrulation of telolecithal eggs in which, as a result of differential growth, some of the cells of the protoderm move over the surface toward the lips of the blastopore.
2. Growth of epithelium in an organ culture to surround the underlying mesenchymal tissue.
[G. epibolē, a throwing or laying on]

epiboly

/epib·o·ly/ (e-pib´o-le) a process by which an outside cell layer spreads to envelope a yolk mass or deeper layer of cells.

epiboly

(ĭ-pĭb′ə-lē)
n.
The growth of a rapidly dividing group of cells around a more slowly dividing group of cells, as in the formation of a gastrula.

ep′i·bol′ic (ĕp′ə-bŏl′ĭk) adj.

e·pib·o·ly

, epibole (ē-pib'ŏ-lē)
1. A process involved in gastrulation of telolecithal eggs in which, as a result of differential growth, some cells of the protoderm move over the surface toward the lips of the blastopore.
2. Growth of epithelium in an organ culture to surround the underlying mesenchymal tissue.
[G. epibolē, a throwing or laying on]

epiboly

the process by which a BLASTULA is converted into a GASTRULA by growth of ectoderm over the endoderm.

e·pib·o·ly

, epibole (ē-pib'ŏ-lē)
Growth of epithelium in an organ culture to surround the underlying mesenchymal tissue.
[G. epibolē, a throwing or laying on]
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References in periodicals archive ?
5[degrees]C to 50% epiboly (5--6 hr) before use in exposure studies.
Immediately preceding injection, dead embryos or embryos that had completed epiboly were replaced, and the well water covering the embryos was replaced with a sterile saline solution.