Phenotype: pharyngeal arch 2 cell population proliferation decreased occurrence, abnormal
Note: This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name.
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: cell population proliferation
Synonyms: cell proliferation
Definition: The multiplication or reproduction of cells, resulting in the expansion of a cell population.
Ontology: GO: Biological Process [GO:0008283]    QuickGO    AmiGO
Name: decreased occurrence
Synonyms: decreased incidence
Definition: An occurrence which is relatively low.
Ontology: Phenotypic Quality Ontology [PATO:0002052]