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Pappus phenotypes and flight performance across evolutionary history in the daisy family.
Ann Bot
November 2024
Instituto Multidisciplinario de Biología Vegetal (IMBIV), CONICET-Universidad Nacional de Córdoba, Córdoba, 5000, Argentina.
Background And Aims: Diversity in pappus shapes and size in Asteraceae suggests an adaptive response to dispersion challenges adjusting diaspores to optimal phenotypic configurations. Here, by analysing the relationship among pappus-cypsela size relationships, flight performance and pappus types in an evolutionary context, we evaluate the role of natural selection acting on the evolution of diaspore configuration at a macro-ecological scale in the daisy family.
Methods: To link pappus-cypsela size relationships with flight performance we collected published data on these traits from 82 species.
The Cerebral Aqueduct Compliance: A Simple Morphometric Model.
Oper Neurosurg (Hagerstown)
February 2025
Department of Neurosciences, Biomedicine, and Movement Sciences, Institute of Neurosurgery, University of Verona, Verona , Italy.
Background And Objectives: This work aimed to identify different configurations of the adytum of the cerebral aqueduct suggesting its safe neuroendoscopic navigation. This concept is intimately connected to the physiological aqueductal dilatability or compliance, which is relatively ignored in the literature. A better knowledge of the extent of physiological aqueductal dilatability might better define the ideal diameter and safer features of dedicated flexible endoscopes.
View Article and Find Full Text PDFThe effect of irisin on the ultrastructure of the thoracic aorta in rat: A morphometric study.
Morphologie
September 2024
Faculty of Medicine, The University of Jordan, Amman, Jordan.
Background: One of the most recent hormones to be identified and isolated is irisin, extracted from mouse skeletal muscle in 2012. Irisin has been proven to alter blood pressure, which has an impact on blood vessels, enhance endothelial functions, and prevent injury to endothelial cells. The current study aimed to study the effect of irisin on the ultrastructure of the rat thoracic aorta using the transmission electron microscope (TEM).
View Article and Find Full Text PDFChallenges in replication: Does amygdala gray matter volume relate to social network size?
Cogn Affect Behav Neurosci
August 2024
Department of Psychology, Vanderbilt University, 111 21st Avenue South, Nashville, TN, 37240, USA.
In this work, we tried to replicate and extend prior research on the relationship between social network size and the volume of the amygdala. We focused on the earliest evidence for this relationship (Bickart et al., Nature Neuroscience 14(2), 163-164, 2011) and another methodologically unique study that often is cited as a replication (Kanai et al.
View Article and Find Full Text PDFOutline-based geometric morphometrics: Wing cell differences for mosquito vector classification in the Tanaosri mountain range, Thailand.
Acta Trop
February 2024
Department of Public Health and Health Promotion, College of Allied Health Sciences, Suan Sunandha Rajabhat University, Samut Songkhram 75000, Thailand. Electronic address:
Recent studies have revealed taxonomic signals within the wing cells of certain mosquito species. In our study, wing cell differentiation among mosquito vectors from the Tanaosri mountain range in Thailand was evaluated using the outline-based geometric morphometric (GM) approach. Our focus was on four specific wing cells for GM analysis: the wing contour (external cell), the second submarginal cell (internal cell 1), the first posterior cell (internal cell 2), and the third posterior cell (internal cell 3).
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