ArticleAmerican journal of biological anthropology2026
The Interrelation Among Allometry, Phylogeny, and Diet in the Molar Cervix.
Article in American journal of biological anthropology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesRoot surface morphology has been used to examine functional signals related to diet and taxonomic affinities in primates with varying degrees of success. The aim of this study is to determine if the use of the functionally significant root cervix can enhance our understanding of these relationships in catarrhines. MATERIALS AND
methodsTwo-dimensional (2D) semilandmark points were collected using cross sections taken from the cervix of all three mandibular molar positions in a sample of extant catarrhines (n = 68). Multivariate regression was used to examine the influence of size on Procrustes aligned data. Standard and phylogenetic principal component analyses were performed for each molar position. Phylogenetic generalized least squares (PGLS) were used to correct for nonindependence.
resultsAllometric effects were statistically significant (p < 0.05) but weak for each position (M
conclusionsThe influence of size on the morphology of the root cervix is limited and does not impact functional signals related to either phylogeny or diet. Observed morphological variation of the root cervix is driven in part by both phylogeny and diet. However, these variables share a strong relationship, and more work is needed to disentangle the two.
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