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Sap Anthropometric Landmark: A Morphometric Orientation Point of the Nasal Tip.
J Craniofac Surg
January 2025
Department of Oral and Maxillofacial Surgery, Azerbaijan Medical University, Baku, Azerbaijan.
The aim of the present study is to introduce a new anthropometric landmark (sap), parameter (sap-sap) for measuring a width of nasal tip and 7 new proportion indexes. For determinate data mean with standard deviation, 200 healthy individuals (100 men and 100 women) were included in the study. The authors determined and pointed 9 paired cranio-facial anthropometric landmarks: sap, al, ac, mf, en, ex, zy, ch, go.
View Article and Find Full Text PDFNerve repair with polylactic acid and inosine treatment enhance regeneration and improve functional recovery after sciatic nerve transection.
Front Cell Neurosci
January 2025
Laboratório de Neurodegeneração e Reparo - Departamento de Anatomia Patológica, Hospital Universitário Clementino Fraga Filho, HUCFF/UFRJ, Rio de Janeiro, Brazil.
Background: Following transection, nerve repair using the polylactic acid (PLA) conduit is an effective option. In addition, inosine treatment has shown potential to promote nerve regeneration. Therefore, this study aimed to investigate the regenerative potential of inosine after nerve transection and polylactic acid conduit repair.
View Article and Find Full Text PDFSmall fish, large variation: Morphological diversity of Weberian apparatus in Noturus catfishes and ecological implications.
Anat Rec (Hoboken)
January 2025
Department of Integrative Biology, University of California, Berkeley, California, USA.
The Weberian apparatus is a hearing specialization unique to the otophysan fishes, and an unexpected degree of morphological variation exists in species of the Noturus catfishes. Our aim in this study is to investigate relationships between morphological variations and ecology that may drive this variation. Sampling 48 specimens representing 25 species, we investigated morphological diversity and accounted for ecological variables using landmark-based 3D geometric morphometrics and x-ray-based computed tomography (CT) images.
View Article and Find Full Text PDFSingle and combined chronic toxicity of cadmium and titanium dioxide nanoparticles in Aquarana catesbeiana (Anura: Ranidae) tadpoles.
Aquat Toxicol
January 2025
Department of Morphology, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás, Brazil. Electronic address:
The rising production and improper disposal of titanium dioxide nanoparticles (TiO NPs) into aquatic systems present considerable environmental challenges, especially when these particles interact with other contaminants such as cadmium (Cd). Thus, the current study aimed to evaluate the potential toxic effects on the gills, chondrocranium, body growth, and mortality of Aquarana catesbeiana tadpoles. The tadpoles were exposed to environmentally relevant concentrations of TiO NPs (10 µg L), and CdCl (10 µg L), both individually and in combination, for 30 days (chronic exposure), along with a control group.
View Article and Find Full Text PDFPalatal segment contributions to midfacial anterior-posterior growth.
J Anat
January 2025
Department of Anthropology, Stony Brook University, Stony Brook, New York, USA.
Anterior-posterior (A-P) elongation of the palate is a critical aspect of integrated midfacial morphogenesis. Reciprocal epithelial-mesenchymal interactions drive secondary palate elongation that is coupled to the periodic formation of signaling centers within the rugae growth zone (RGZ). However, the relationship between RGZ-driven morphogenetic processes, the differentiative dynamics of underlying palatal bone mesenchymal precursors, and the segmental organization of the upper jaw has remained enigmatic.
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