Results 121 to 130 of about 20,977 (214)

Description of large, well‐preserved Enchodus specimens from the Bearpaw Formation of Alberta, Canada

open access: yesThe Anatomical Record, EarlyView.
Abstract Fishes of the genus Enchodus were abundant and cosmopolitan in the Late Cretaceous, but are primarily known from isolated remains in Canada. Four well‐preserved fish skulls were recovered in recent years from ammolite mines sampling the Bearpaw Formation of Southern Alberta, and are here referred to Enchodus petrosus Cope, 1874.
Luke E. Nelson   +2 more
wiley   +1 more source

Human evolution and the obstetrical dilemma: The pelvic floor hypothesis

open access: yesThe Anatomical Record, EarlyView.
Abstract Human childbirth is mechanically difficult because a large‐headed, broad‐shouldered fetus must pass through a comparatively narrow, twisted bony birth canal. Traditional explanations of this “obstetrical dilemma” emphasize the role of bipedal locomotion in inhibiting the evolution of a wider, more spacious pelvis.
Barbara Fischer, Ekaterina Stansfield
wiley   +1 more source

L5 Is a Reliable Lower Instrumented Vertebra in Selected Adult Spinal Deformity Patients. [PDF]

open access: yesGlobal Spine J
Núñez-Pereira S   +15 more
europepmc   +1 more source

Anatomy and variation in the paraphyletic Mosasaurus lemonnieri assemblage from the Craie phosphatée de ciply, Belgium

open access: yesThe Anatomical Record, EarlyView.
Abstract Nineteenth century excavations of the Ciply‐Malogne Phosphatic Chalk Formation in Hainaut, Belgium, yielded over 50 partial mosasaur skeletons, the majority of which were referred to the species Mosasaurus lemonnieri Dollo, 1889. In the years since, this taxon has experienced a complicated taxonomic history, and its exceptional hypodigm has ...
Henry S. Sharpe   +3 more
wiley   +1 more source

Incidence and outcomes of spinopelvic fixation loosening following adult spinal deformity surgery. [PDF]

open access: yesSpine Deform
Arena JD   +14 more
europepmc   +1 more source

Variation Exists Among Asia Pacific and American Surgeons in the Treatment of Pediatric Tibial Eminence Fractures

open access: yesArthroscopy, Sports Medicine, and Rehabilitation, EarlyView.
Purpose To compare operative and nonoperative management strategies, fixation preferences, postoperative immobilization protocols, and approaches to managing postoperative complications among Asia Pacific (APAC) and North American surgeons. Methods An online survey was distributed to orthopaedic surgeons within the Pediatric Research in Sports Medicine
Khin Yee Sammy Loh   +4 more
wiley   +1 more source

Does alignment with Roussouly classification improve outcomes in well-aligned adult spinal deformity patients? [PDF]

open access: yesSurg Neurol Int
Kaghazchi A   +9 more
europepmc   +1 more source

Dissecting the dissection laboratory: Elements for designing a human anatomy laboratory

open access: yesAnatomical Sciences Education, EarlyView.
Abstract The human anatomy dissection laboratory is a critical component of anatomical and medical education. Development, maintenance, and stocking of these laboratory spaces have unique demands, with all of the challenges in running a laboratory with Biosafety Laboratory Level 2 (BSL‐2) classification, housing a large volume of tissues saturated with
Rhiannon E. Robinson   +13 more
wiley   +1 more source

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