Term: pharyngeal pouch anatomical region
Name: pharyngeal pouch
Synonyms: pharyngeal pouches
Definition: Outpocketings of pharyngeal endoderm that interdigitate with the neural crest derived pharyngeal arches. The pouches later fuse with the surface ectoderm to form the gill slits.
Ontology: Anatomy Ontology [ZFA:0001106]

Name: anatomical region
Synonyms:
Definition: A 3D region in space without well-defined compartmental boundaries; for example, the dorsal region of an ectoderm.
Ontology: Spatial Ontology [BSPO:0000070]