Results 21 to 30 of about 32,178 (163)

The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica

open access: yesThe Anatomical Record, EarlyView.
Abstract The upper carbonate concretion levels of the Romualdo Formation (Aptian, Brazil) have yielded several theropod dinosaur remains, including spinosaurids and the coelurosaurs Santanaraptor placidus and Mirischia asymmetrica, the phylogenetic affinities of which are controversial.
Rafael Delcourt   +4 more
wiley   +1 more source

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto   +3 more
wiley   +1 more source

Técnica microquirúrgica de anastomosis vascular sin sutura en el trasplante experimental de órganos [PDF]

open access: yes, 1987
Las anastomosis vasculares para e! trasplante de órganos en pequeños animales se realizan habitualmente por sutura manual ya sea continua o discontinua, aunque en los últimos años se ha difundido una técnica sin sutura consistente en la utilización de ...
Aller, M. A.   +7 more
core  

Question the Mark: A Review and Assessment of Bat Marking Practices

open access: yesMammal Review, Volume 56, Issue 1, March 2026.
We reviewed a decade of research on bats and conducted a broader systematic review to assess the nature of bat marking practices and the effects and efficacy of marks. Effects of marks on bats, mark details and marking procedures are rarely reported and further research on the effects of marks on bats and more thorough reporting are needed.
Susan C. Loeb   +10 more
wiley   +1 more source

Estudo comparativo entre as técnicas de sutura total e serosubmucosa em anastomoses colônicas na presença de um protetor intraluminar em cães

open access: yesRevista do Colégio Brasileiro de Cirurgiões
OBJETIVO: Avaliar a cicatrização comparando as técnicas de sutura total e parcial em anastomoses colônicas término-terminais na presença de um protetor intraluminar confeccionado a partir de um dreno de Penrose.
Cíntia Lourenço Santos   +5 more
doaj   +1 more source

Enhancing multitasking capacity: An acoustic tagging and sampling methodology for the spiny butterfly ray (Gymnura altavela) in the Canary Islands

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
To overcome challenges in studying elusive benthic elasmobranchs, a comprehensive, rapid methodology was developed and applied to 133 Spiny Butterfly Rays in Gran Canaria and Tenerife between 2020 and 2024. This approach integrated internal tagging with acoustic and external T‐bar tags, alongside biological sampling and ultrasound assessments, all ...
Ana Espino‐Ruano   +12 more
wiley   +1 more source

Reparação microcirúrgica de nervo periférico por meio de sutura, cola de fibrina ou bainha de BioFill® em ratos Wistar

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2003
Com o objetivo de comparar três técnicas de neuroanastomose, foram utilizados 54 ratos fêmeas, distribuídos em três grupos de 18 animais, cujos nervos ciáticos direitos foram transeccionados e, em seguida, tratados mediante o emprego das seguintes ...
M.F.P. Torres   +2 more
doaj  

Biomechanical evaluation between the modified Mason-Allen stitch and the locked double-tie stitch on the infraspinatus of sheep,

open access: yesRevista Brasileira de Ortopedia, 2014
Objectives:To evaluate and compare the in vitro biomechanical results from two stitches: the Mason-Allen stitch, as modified by Habermeyer; and the locked double-tie stitch developed at our service, on tendons of the infraspinatus muscle of sheep.Methods:
Alberto Naoki Miyazaki   +7 more
doaj   +1 more source

Epidural Anesthesia as a Protective Factor in Cardiac Surgery: A Prospective Randomized Study

open access: yesAnesthesiology Research and Practice, Volume 2026, Issue 1, 2026.
Background Epidural anesthesia (EA) has gained prominence in rapid postoperative recovery protocols for cardiac surgery, aiming to reduce opioid use, shorten intensive care stays, and improve patient outcomes. This prospective randomized controlled trial evaluated the protective effects of EA combined with general anesthesia (GA + EA) compared to GA ...
Diego Nicolas Sanchez   +3 more
wiley   +1 more source

Cirugía experimental sobre un nuevo método de suturas intestinales

open access: yesRevista de la Facultad de Medicina, 1962
Se hace un planteamiento de los principales problemas que en la actualidad afectan a la cirugía gastrointestinal. Se establecen los requisitos de una sutura ideal, y con base en ellos se propone un nuevo método de sutura.
Alfredo Alvarado Barrera
doaj  

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