| Name: | pharyngeal arch |
|---|---|
| Synonyms: | pharyngeal arches |
| Definition: | One of a series of paired bony or cartilaginous arches that develop along the lateral walls of the foregut. The pharyngeal arches have developmental contributions from endoderm, mesoderm, and neural crest cells and are separated by anterior lateral endoderm out-pockets known as pharyngeal pouches. There are seven pharyngeal arches. |
| Ontology: | Anatomy Ontology [ZFA:0001306] |
| Name: | atrophied |
|---|---|
| Synonyms: | atrophic |
| Definition: | A size quality inhering in a bearer by virtue of a part or parts of the bearer's being decreased in size due to reduction in tissue mass through wasting. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001623] |