Results 91 to 100 of about 58,552 (260)

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

The Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro, Jeffrey A. Wilson Mantilla, Jhonata H. A. Martins, Fabiano V. Iori, Leonardo S. Paschoa, Alberto B. Carvalho, Joseli M. Piranha, Hussam Zaher   +7 more
wiley   +1 more source

Development of Lumbar Spinal Stenosis Caused by Lumbar Vertebral Compression Fracture

Türk Osteoporoz Dergisi, 2004
Spinal stenosis is a narrowing of the spinal canal by a combination of bone and soft tissues, which causes mechanical compression of spinal nerve roots.Diagnosis is made by computerized tomography, myelography, or magnetic resonance (MR) imaging. The aim
Hidayet Sarı, Ülkü Akarırmak, Haluk Aksoy   +2 more
doaj  

Clinical features of ligamentosis in lumbar spinal stenosis in patients of different agе

Ukrainian Neurosurgical Journal, 2012
Introduction. Ligamentosis of lumbar spinal canal are rare and not well investigated pathology.Materials and methods. From our patients with lumbar spinal stenosis we took that, which had changes in spinal ligamentsResults.
Yuriy Pedachenko, Elena Krasilenko
doaj   +1 more source

Prevalence and Risk Factors for Presumptive Ascending/Descending Myelomalacia in Dogs after Thoracolumbar Intervertebral Disk Herniation [PDF]

, 2017
Background: Ascending/descending myelomalacia (ADMM) is a severe complication of thoracolumbar intervertebral disk herniation (TL-IVDH) in dogs. Hypothesis/Objectives: To investigate the prevalence and risk factors for ADMM in nonambulatory dogs with ...
Aikawa, Amsellem, Bergknut, Bezuidenhout, Boekhoff, Ferreira, Fingeroth, Griffiths, Henke, Henke, Ito, Jeffery, Jeffery, Kato, Kranenburg, Lahunta, Laitinen, Levine, Lu, Marquis, Mayer, Muguet-Chanoit, Okada, Okada, Olby, Olby, Pais, Penning, Platt, Priester, Sato, Scott, Shinzato, Smolders, Zachary   +34 more
core   +1 more source

Nasal soft‐tissue anatomy of Triceratops and other horned dinosaurs

The Anatomical Record, EarlyView.
Abstract Although ceratopsid dinosaurs possess a characteristically hypertrophied narial region, soft‐tissue anatomy associated with such a skeletal structure and their biological significance remain poorly understood. The present study provides the first comprehensive hypothesis on the soft‐tissue anatomy in the ceratopsid rostrum based on the Extant ...
Seishiro Tada, Takanobu Tsuihiji, Hiroki Ishikawa, Noriyuki Wakimizu, Soichiro Kawabe, Kodai Sakane   +5 more
wiley   +1 more source

Cervical spinal canal narrowing and cervical neurologi-cal injuries

Chinese Journal of Traumatology, 2012
【Abstract】Cervical spinal canal narrowing can lead to injury of the spinal cord and neurological symptoms in-cluding neck pain, headache, weakness and parasthesisas.
ZHANG Ling, CHEN Hai-bin, WANG Yi, ZHANG Li-ying, LIU Jing-cheng, WANG Zheng-guo   +5 more
doaj  

Whole spinal pneumorrhachis following perforation of the rectum: A case report

Radiology Case Reports
Spinal pneumorrhachis is a relatively rare condition. Herein, we describe a case of whole spinal pneumorrhachis. A 68-year-old male, with a history of total proctocolectomy due to ulcerative colitis, had fever, diarrhea, and inflammatory reactions ...
Hiroshi Kageyama, MD, PhD
doaj   +1 more source

Facet-sparing lumbar decompression with a minimally invasive flexible MicroBlade Shaver® versus traditional decompression: quantitative radiographic assessment. [PDF]

, 2012
BackgroundLaminectomy/laminotomy and foraminotomy are well established surgical techniques for treatment of symptomatic lumbar spinal stenosis. However, these procedures have significant limitations, including limited access to lateral and foraminal ...
Berven, Sigurd, Block, Jon E, Lauryssen, Carl, Miller, Larry E, Mimran, Ronnie, Sheinberg, Michael, Summa, Christopher   +6 more
core   +2 more sources

Over the edge: Empirical evidence for the cliff‐edge model of obstetric selection

The Anatomical Record, EarlyView.
Abstract The cliff‐edge model of obstetric selection maintains that larger neonates and smaller birth canals confer a positive selective advantage until labor becomes obstructed and vaginal delivery is no longer possible, eliciting an abrupt reduction in fitness.
Laura M. Watson, Pierre Frémondière, Kaspar Staub, Philipp Mitteroecker, Barbara Fischer, Martin Haeusler, Nicole M. Webb   +6 more
wiley   +1 more source

Multiple meningiomas within the spinal canal: case report with 23 tumors Meningiomas intrarraqueanos múltiplos: relato de caso com 23 tumores

Arquivos de Neuro-Psiquiatria, 2005
In most series of neoplasms of the spinal canal, spinal cord and its leptomeninges, the incidence of meningioma group comprises approximately 25%. The incidence of multiple meningiomas is small when compared with the frequency of its single occurrence ...
José Alberto Gonçalves da Silva, Maurus Marques de Almeida Holanda, Antônio Fernandes de Araújo, Roberto Vieira de Mello   +3 more
doaj   +1 more source