Anatomy Term: primary germ layer
XAO ID: 0003011
Synonyms: germ layer, embryonic germ layer
Definition: "A layer of cells produced during the process of gastrulation during the early development of the embryo, which is distinct from other such layers of cells, as an early step of cell differentiation. The types of germ layers are the endoderm, ectoderm, and mesoderm."
Stage Range: NF stage 10 to NF stage 66
Component Anatomy Items:
is a part of derives from
References: NCBO BioPortal, Ontology Lookup Service