[i-pib-uh-lee] 
| the movement and spreading out of cells into sheets of tissue that overlie or surround other groups of cells, esp. as in the formation of certain gastrulas. |
a throwing on, equiv. to epi- epi- + bol- (var. s. of bállein to throw) + -ē n. suffix
[ep-uh-bol-ik] , adjective | e·pib·o·ly (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. [Greek epibolē, a throwing or laying on, from epiballein, to throw on : epi-, epi- + ballein, to throw; see gwelə- in Indo-European roots.] ep'i·bol'ic (ěp'ə-bŏl'ĭk) adj. |
epiboly e·pib·o·ly (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.