Editing Sea turtle (section)

=== Larynx mechanisms ===
There was little information regarding the sea turtle's larynx. Sea turtles, like other turtle species, lack an epiglottis to cover the larynx entrance. Key findings from an experiment reveal the following in regards to the larynx morphology: a close apposition between the linguolaryngeal cleft's smooth mucosal walls and the laryngeal folds, a dorsal part of the glottis, the glottal mucosa attached to the arytenoid cartilage, and the way the hyoid sling is arranged and the relationship between the compressor laryngis muscle and cricoid cartilage. The glottal opening and closing mechanisms have been examined. During the opening stage, two abductor artytenoideae muscles swing arytenoid cartilages and the glottis walls. As a result, the glottis profile is transformed from a slit to a triangle. In the closing stage, the tongue is drawn posteriorly due to the close apposition of the glottis walls and linguolaryngeal cleft walls and hyoglossal sling contractions.<ref>{{cite journal |last1=Fraher |first1=J |last2=Davenport |first2=J |last3=Fitzgerald |first3=E |last4=Mclaughlin |first4=P |last5=Doyle |first5=T |last6=Harman |first6=L |last7=Cuffe |first7=T |title=Opening and closing mechanisms of the leatherback sea turtle larynx: a crucial role for the tongue |journal=Journal of Experimental Biology |date=2010 |volume=213 |issue=24 |pages=4137–4145 |doi=10.1242/jeb.042218|pmid=21112993 |doi-access=free|bibcode=2010JExpB.213.4137F }}</ref>