| Name: | pharyngeal arch 2 |
|---|---|
| Synonyms: | hyoid arch, visceral arch 2 |
| Definition: | The second pharyngeal arch, also known as the hyoid arch, forms jaw support structures. Anteriorly positioned cranial neural crest cells, which align with rhombomeres 4/5, contribute to the hyoid arch structures including the ceratohyal and hyosymplectic cartilages. |
| Ontology: | Anatomy Ontology [ZFA:0001611] |
| Name: | cranial neural crest cell |
|---|---|
| Synonyms: | cranial neural crest cells |
| Definition: | A cell of the cranial neural crest. |
| Ontology: | Anatomy Ontology [ZFA:0009003] |
| Name: | decreased amount |
|---|---|
| Synonyms: | decreased, decreased number, present in fewer numbers in organism, reduced, subnumerary |
| Definition: | An amount which is relatively low. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001997] |