hyoid arch

https://doi.org/10.1351/goldbook.10822

Second pharyngeal or branchial arch of the developing embryo, from which different tissues around the neck, ear, and face will develop.

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 766 [Terms] [Paper]