a flattened base or sheet of endoderm of embryo that during development changes into a tubular gut .this is due to foldings in embryonic parts head tail etc . for ex. see the diagram showing development in birds egg
A flattened base or sheet of endoderm of embryo that during development changes into a tubular gut .this is due to foldings in embryonic parts head tail etc . for ex. see the diagram showing development in birds egg
A flat sheet of intraembryonic endoderm that will change into a tubular gut due to thefolding of embryonic body-head, tail and lateral body folds.
source: http://www.biology-online.org/dictionary/Subgerminal_cavity