{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T02:14:33Z","timestamp":1775873673961,"version":"3.50.1"},"reference-count":48,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2016,2,11]],"date-time":"2016-02-11T00:00:00Z","timestamp":1455148800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["GM63056"],"award-info":[{"award-number":["GM63056"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Anatomy"],"published-print":{"date-parts":[[2016,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The hyo\u2010laryngeal complex is a multi\u2010segmented structure integrating the oral and pharyngeal cavities and thus a variety of critical functions related to airway control, feeding, and vocal communication. Currently, we lack a complete understanding of how the hyoid complex, and the functions it mediates, can also be affected by changes in surrounding cranio\u2010facial dimensions. Here, we explore these relationships in a breed of domestic dog, the Portuguese Water Dog, which is characterized by strong cranio\u2010facial variation. We used radiographic images of the upper body and head of 55 adult males and 51 adult females to obtain detailed measures of cranio\u2010facial variation and hyoid anatomy. Principal components analysis revealed multiple orthogonal dimensions of cranio\u2010facial variation, some of which were associated with significant differences in larynx position: the larynx occupied a more descended position in individuals with shorter, broader faces than in those with longer, narrower faces. We then tested the possibility that caudal displacement of the larynx in brachycephalic individuals might reflect a degree of tongue crowding resulting from facial shortening and reduction of oral and pharyngeal spaces. A cadaver sample was used to obtain detailed measurements of constituent bones of the hyoid skeleton and of the tongue body, and their relationships to cranio\u2010facial size and shape and overall body size supported the tongue\u2010crowding hypothesis. Considering the presence of descended larynges in numerous mammalian taxa, our findings establish an important precedent for the possibility that laryngeal descent can be initiated, and even sustained, in part in response to remodeling of the face and cranium for selective pressures unrelated to vocal production. These integrated changes could also have been involved in hominin evolution, where the different laryngeal positions in modern humans compared with nonhuman primates have been traditionally linked to the evolution of speech but which are likely to be multifactorial.<\/jats:p>","DOI":"10.1111\/joa.12452","type":"journal-article","created":{"date-parts":[[2016,2,12]],"date-time":"2016-02-12T00:12:33Z","timestamp":1455235953000},"page":"975-983","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Cranio\u2010facial remodeling in domestic dogs is associated with changes in larynx position"],"prefix":"10.1111","volume":"228","author":[{"given":"Kyle","family":"Plotsky","sequence":"first","affiliation":[{"name":"Behaviour and Evolution Research Group Department of Psychology The University of Lethbridge Lethbridge AB 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