part of part_of part of part_of composed primarily of larynx laryngeal cartilage endoderm-derived structure splanchnocranium laryngeal apparatus AAO:0000267 Apparatus located between the lungs and the buccal cavity. This apparatus is composed of a pair of arytenoid cartilages that are supported by the cricoid ring. EHDAA2:0000904 UBERON:0010212 check this. See also https://github.com/obophenotype/uberon/wiki/The-axial-skeleton laryngeal cartilage system uberon structure with developmental contribution from neural crest multi organ part structure