Results 221 to 230 of about 578,888 (312)
Abstract This study investigated the physiological and morphological adaptations of the liver of the carnivorous fish Pygocentrus nattereri (piranha) in response to seasonal variations (dry and rainy seasons) in the Brazilian Pantanal. The objective was to describe how the liver, a central organ in metabolic regulation, responds to environmental ...
Maria Eduarda Corona Garcia +9 more
wiley +1 more source
Abd-El-Barr's Mountain-A Radiographic Landmark for Consistent and Successful Docking in Minimally Invasive Lumbar Surgery: A Cadaveric Study. [PDF]
Alwadai M +10 more
europepmc +1 more source
Abstract The preauricular sulcus has long been debated as a pelvic feature variably attributed to obstetric stress, ligamentous traction, and broader biomechanical processes. To clarify its determinants, we analyzed 409 adult individuals from three archeological and one early modern skeletal collection from the Iberian Peninsula, integrating graded ...
Rebeca García‐González +5 more
wiley +1 more source
Correlation Between Injected Volume and Cranial Spread in Broad-Aged Pediatric Caudal Anesthesia: A Retrospective Ultrasound-Guided Study. [PDF]
Tsai FF, Hsieh MH, Huang HH, Liu CM.
europepmc +1 more source
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri +8 more
wiley +1 more source
<i>Formosania tangi</i>, a new species of suck-loach (Cypriniformes, Gastromyzontidae) from the Jiulongjiang River, southeastern China, with taxonomic notes on <i>F. fascicauda</i>. [PDF]
Chen Y, Zhou JJ, Chen JC, Yang JQ.
europepmc +1 more source
Abstract Studies investigating paleopathologies in sauropods remain scarce despite their relative abundance in the fossil record. In this study we report new occurrence of paleopathological features, corresponding to a neoplasm found in a middle caudal vertebra (MCT.R.2120) of an advanced titanosaur from the Presidente Prudente Formation (Bauru Basin ...
Maria Luiza Peres Bertolossi +5 more
wiley +1 more source
Computed Tomography Findings of Pulmonary Lymphoma in a Dog and Two Cats. [PDF]
Tanaka T +4 more
europepmc +1 more source
Abstract Macaws are renowned for processing dry, mechanically resistant fruits, yet the species‐level anatomical and functional correlates of this performance remain incompletely resolved. We examined the feeding apparatus of the Blue‐and‐yellow Macaw (Ara ararauna) using an integrated approach that combines osteology, myology, and bite‐force estimates
Sérgio R. Posso +2 more
wiley +1 more source
Sexual Dimorphism in Fin Size and Shape in Bluefin Killifish. [PDF]
Brockelsby K +4 more
europepmc +1 more source

