Assertion: cerebrum's layer | /r/CapableOf | call the mesoderm
Facets:
Source sentences:
text: The gastrula has the shape of a disk with three layers of cells, an inner layer called the endoderm, which gives rise to the lining of most internal organs, a middle layer called the mesoderm, which gives rise to the bones and muscles, and an outer layer called the ectoderm, which gives rise to the skin and nervous system.
text: We can say that the embryo as such officially begins to exist starting at this stage, when a third layer of cells, called the mesoderm, interposes itself between the two that are already present, the ectoderm and the endoderm.