plate morphology
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PLoS ONE ◽  
2021 ◽  
Vol 16 (4) ◽  
pp. e0244812
Author(s):  
Ivan Nunes ◽  
Carla S. Guimarães ◽  
Pedro Henrique A. G. Moura ◽  
Mariana Pedrozo ◽  
Matheus de Toledo Moroti ◽  
...  

Species of Brachycephalus has been having taxonomical issues due its morphological similarity and genetic conservatism. Herein, we describe a new species of Brachycephalus from the south Mantiqueira mountain range and semidecidual forests in the municipalities of Mogi das Cruzes, Campinas and Jundiaí, state of São Paulo, Brazil, based on an integrative approach. It can be distinguished from all species of the B. ephippium species group based on morphological characters (especially osteology and head shape), advertisement call and divergence in partial mitochondrial DNA gene sequences (16S). The new species is genetically similar to B. margaritatus and morphologically similar to B. ephippium. It can be differentiated from B. ephippium by the presence of dark faded spots on skull and post-cranial plates, presence of black connective tissue connective tissue scattered over dorsal musculature, parotic plate morphology, smaller snout-vent length (adult SVL: males 13.46–15.92 mm; females 16.04–17.69 mm) and 3% genetic distance. We also present natural history data and discuss the robustness of the integrative approach, geographic distribution, genetic data, behaviour, fluorescence in ontogeny, and conservation status.


2020 ◽  
Vol 304 (1) ◽  
pp. 139-153
Author(s):  
Deborah J. Bird ◽  
Christiane Jacquemetton ◽  
Sophie A. Buelow ◽  
Andrew W. Evans ◽  
Blaire Van Valkenburgh

2019 ◽  
Vol 130 ◽  
pp. e694-e701
Author(s):  
Qing-shuang Zhou ◽  
Xi Chen ◽  
Liang Xu ◽  
Song Li ◽  
Chang-zhi Du ◽  
...  

2018 ◽  
Vol 221 (4) ◽  
pp. 1802-1813 ◽  
Author(s):  
Juliana S. Medeiros ◽  
Frederic Lens ◽  
Hafiz Maherali ◽  
Steven Jansen

2017 ◽  
Vol 181 (21) ◽  
pp. 564-564 ◽  
Author(s):  
Ben M C Gorissen ◽  
Joost J Uilenreef ◽  
Wilhelmina Bergmann ◽  
Ellen Meijer ◽  
Bert van Rietbergen ◽  
...  

Meloxicam, a preferential COX-2 inhibitor, is a commonly used NSAID in pigs. Besides having potential side effects on the gastrointestinal tract, this type of drug might potentially affect osteogenesis and chondrogenesis, processes relevant to growing pigs. Therefore, the effects of long-term meloxicam treatment on growing pigs were studied. Twelve piglets (n=6 receiving daily meloxicam 0.4 mg/kg orally from 48 until 110 days of age; n=6 receiving only applesauce (vehicle control)) were subjected to visual and objective gait analysis by pressure plate measurements at several time points. Following euthanasia a complete postmortem examination was performed and samples of the talus and distal tibia, including the distal physis, were collected. Trabecular bone microarchitecture was analysed by microCT scanning, bone stiffness by compression testing and growth plate morphology using light microscopy. Animals were not lame and gait patterns did not differ between the groups. Pathological examination revealed no lesions compatible with known side effects of NSAIDs. Trabecular bone microarchitecture and growth plate morphology did not differ between the two groups. The findings of this in vivo study reduce concerns regarding the long-term use of meloxicam in young, growing piglets.


2017 ◽  
Vol 526 (1) ◽  
pp. 109-119 ◽  
Author(s):  
Mercedes Bengochea ◽  
Martín Berón de Astrada ◽  
Daniel Tomsic ◽  
Julieta Sztarker

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