| Name: | pharyngeal arch 1 |
|---|---|
| Synonyms: | mandibular arch, visceral arch 1 |
| Definition: | The first pharyngeal arch, also known as the mandibular arch, forms the jaw. The first pharyngeal arch gives rise to elements of the jaw, with the most anteriorly positioned cranial neural crest cells contributing to mandibular arch structures, including Meckel's and palatoquadrate cartilages that constitute the lower and upper jaw respectively. |
| Ontology: | Anatomy Ontology [ZFA:0001612] |
| Symbol: | twist1a | ||||||||||||
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| Name: | twist family bHLH transcription factor 1a | ||||||||||||
| Previous Names: | twist-1, twist1, twist1b (2), wu:fd04c01, zgc:101115 | ||||||||||||
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| Location: | Chr: 19 Mapping Details/Browsers | ||||||||||||
| Name: | increased amount |
|---|---|
| Synonyms: | accessory, increased, increased number, present in greater numbers in organism, supernumerary |
| Definition: | An amount which is relatively high. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000470] |