Term: pharyngeal arch 2 ventro-medial region
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: ventro-medial region
Synonyms: medioventral region, ventromedial region
Definition: The region corresponding to the ventral region of the entity, towards the midline.
Ontology: Spatial Ontology [BSPO:0000112]