Geometric Morphometrics (GMM)
Measuring 3D shape in orthodontics through geometric morphometrics
... Background: Geometric morphometrics (GMM) has been traditionally applied to the field of biology to study developmental differentiations between species. Orthodontics deals with the shape and size of the ...
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Genetic Architecture of Mandible Shape in Mice: Effects of Quantitative Trait Loci Analyzed by Geometric Morphometrics
... the LG/J and SM/J inbred strains revealed 12 QTL for size, 25 QTL for shape, and 5 QTL for left-right asymmetry. Multivariate ordination of QTL effects by principal component analysis identified two recurrent features of ...
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Ecology and morphological variations in wings of Phlebotomus ariasi (Diptera: Psychodidae) in the region of Roquedur (Gard, France): a geometric morphometrics approach
... Results: Sand flies were captured along a 14 km-long transect in 2011 from May to October. At the same time, environmental data such as altitude and slope were also collected. Morphological analysis of P. ariasi wings ...
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A Geometric Morphometrics Study of Stigma Anther Polymorphism in the Tropical Distylous Palicourea padifolia (Rubiaceae)
... Through geometric morphometrics approach, we incorporate the study of the shape, size and position of floral traits within and between floral morphs as a way to understand floral shape variation in the ...
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Heritability of face shape in twins: a preliminary study using 3D stereophotogrammetry and geometric morphometrics
... This study represents a preliminary attempt to estimate the heritability of facial shape using a combination of 3D stereophoto- grammetry and landmark-based geometric morphometrics in a sample of twin ...
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Using Geometric Morphometrics to Quantify Variation of Shape and Magnitude of the Pattern of Milk Production of Dairy Cattle
... new geometric morphometrics method, which visua- lizes, measures, and tests differences in the form of biological ...landmark-based geometric morphometrics technique to quantify variation of ...
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Finite element modelling of squirrel, guinea pig and rat skulls: : using geometric morphometrics to assess sensitivity
... Cox, Philip Graham orcid.org/0000-0001-9782-2358, Fagan, Michael, Rayfield, Emily et al. (1 more author) (2011) Finite element modelling of squirrel, guinea pig and rat skulls: : using geometric ...
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Chrysomya megacephala (Fabricius, 1794) (Diptera: Calliphoridae) development by landmark-based geometric morphometrics of cephalopharyngeal skeleton: a preliminary assessment for forensic entomology application
... years, geometric morphometrics (GM) has been increasingly utilized as a multivariate tool to classify insect species based on morphological shape in both ma- ture and immature stages including flies (Canal ...
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Semi-automatic landmark point annotation for geometric morphometrics
... Once the initial manual alignment had been obtained, it was used to initialise a multi-stage automatic registra- tion process. The first stage was performed on the entire image volume, and optimised a nine-parameter ...
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Identification of inter- and intra-species variation in cereal grains through geometric morphometric analysis, and its resilience under experimental charring
... in uncharred material and in material charred at 230 and 260 o C; and ii) whether any of the accessions of grains from different populations of the same species exhibit characteristic shape differences and, if so, ...
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Morphometric diagnosis of Glossina palpalis (Diptera: Glossinidae) population structure in Ghana
... A major limitation to this study was the non-utilization of molecular tools acclaimed to possess higher sensitivity than geometric morphometrics in tsetse population stud- ies. Our non-utilization of ...
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Morphometric variability among the species of the Sordida subcomplex (Hemiptera: Reduviidae: Triatominae): evidence for differentiation across the distribution range of Triatoma sordida
... and geometric morphometry has been widely used as a useful tool to delimit species, subspecies and intraspecific variation within the subfamily Triatominae [21 – ...in geometric morphometry are those for ...
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Morphological discrimination of the genera Binodoxys Mackauer and Trioxys Haliday (Hymenoptera: Braconidae: Aphidiinae) on the basis of the general shape of forewings
... Changes in wing size and shape are presented via transformation grids. The best discrimination was shown in B. acalephae, where this species is abstracted in the positive part of CV1, and the negative CV2 = 23.26% (Fig. ...
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Effects of Stream Damming on Morphological Variability of Fish: Case Study on Large Spot Barbell Barbus balcanicus
... landmark-based geometric morphometrics was applied to compare and visualize the overall size and shape variation, sexual size and shape dimorphism of the species Barbus balcanicus Kotlík, Tsigenopoulos, Ráb ...
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Evaluation of dental morphometrics during the orthodontic treatment
... Geometric morphometrics [25-31] represents a new approach to the evaluation of variability, and not only in medicine (Figure ...of geometric information related to the object under study ...
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Vol 69, No 2 (2017)
... of geometric morphometrics to explore the shape variation in falls, standards and style arms of the Iris pumila flowers and to disentangle the symmetric and the asymmetric component of the total shape ...
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Morphometrical diagnosis of the malaria vectors Anopheles cruzii, An homunculus and An bellator
... Wing geometric morphometrics has been used to distinguish several insect species; however, this economical and powerful tool has not been applied to Kerteszia ...
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Glandular morphometrics for objective grading of colorectal adenocarcinoma histology images
... Glandular Morphometrics for Objective Grading of Colorectal Adenocarcinoma Histology Images Ruqayya Awan1,2, Korsuk Sirinukunwattana2, David Epstein 3, Samuel Jefferyes2, Uvais Qidwai1, [r] ...
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Directional dependency and coastal framework geology: implications for barrier island resilience
... ARFIMA modeling in the geosciences remains relatively unexplored, despite its potential for better understanding spa- tial and temporal patterns of variability in complex datasets. While previous research demonstrated ...
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Morphometrics and stable isotopes differentiate wintering populations of a migratory bird
... Methods: We studied northern wheatears, Oenanthe oenanthe , captured in their African wintering range and applied discriminant analyses on morphometric measurements and stable isotope si[r] ...
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