interlaminar jelly

in·ter·lam·i·nar jel·ly

the gelatinous material between ectoderm and endoderm that serves as the substrate on which mesenchymal cells migrate.

in·ter·lam·i·nar jel·ly

(in'tĕr-lam'i-năr jel'ē) The gelatinous material between ectoderm and endoderm that serves as the substrate on which mesenchymal cells migrate.