Results 1 to 10 of about 489,237 (351)

Scorzonera sensu lato (Asteraceae, Cichorieae) – taxonomic reassessment in the light of new molecular phylogenetic and carpological analyses [PDF]

open access: yes, 2020
Scorzonera comprises 180–190 species and belongs to the subtribe Scorzonerinae. Its circumscription has long been the subject of debate and available molecular phylogenetic analyses affirmed the polyphyly of Scorzonera in its wide sense.
Jones, Katy   +6 more
core   +3 more sources

A new record of fossil wood of Vochysiaceae from the Upper Pleistocene (Arroyo Feliciano Formation), Argentina, South America [PDF]

open access: yes, 2015
A new species of Qualeoxylon Suguio & Mussa is described from the Late Pleistocene Arroyo Feliciano Formation of the Gualeguay Basin on eastern Argentina.
Brea, Mariana, Moya, Eliana Vanesa
core   +1 more source

Grey-scale analysis improves the ultrasonographic evaluation of thyroid nodules [PDF]

open access: yes, 2015
Ultrasonography is the main imaging method for the workup of thyroid nodules. However, interobserver agreement reported for echogenicity and echotexture is quite low.
ALESSANDRINI, STEFANIA   +10 more
core   +1 more source

Thyroid ultrasonography reporting: consensus of Italian Thyroid Association (AIT), Italian Society of Endocrinology (SIE), Italian Society of Ultrasonography in Medicine and Biology (SIUMB) and Ultrasound Chapter of Italian Society of Medical Radiology (SIRM) [PDF]

open access: yes, 2018
Thyroid ultrasonography (US) is the gold standard for thyroid imaging and its widespread use is due to an optimal spatial resolution for superficial anatomic structures, a low cost and the lack of health risks.
Cantisani, V.   +11 more
core   +1 more source

Aquaporin-4 and brain edema. [PDF]

open access: yes, 2007
Aquaporin-4 (AQP4) is a water-channel protein expressed strongly in the brain, predominantly in astrocyte foot processes at the borders between the brain parenchyma and major fluid compartments, including cerebrospinal fluid (CSF) and blood.
A Lehmenkuhler   +38 more
core   +2 more sources

Imaging characteristics and treatment of a penetrating brain injury caused by an oropharyngeal foreign body in a dog [PDF]

open access: yes, 2017
A 4-year-old Border collie was presented with one episode of collapse, altered mentation, and a suspected pharyngeal stick injury. Magnetic resonance imaging (MRI) and computed tomography showed a linear foreign body penetrating the right oropharynx ...
Baroni M.   +15 more
core   +1 more source

Exogenous schwann cells migrate, remyelinate and promote clinical recovery in experimental auto-immune encephalomyelitis [PDF]

open access: yes, 2012
Schwann cell (SC) transplantation is currently being discussed as a strategy that may promote functional recovery in patients with multiple sclerosis (MS) and other inflammatory demyelinating diseases of the central nervous system (CNS).
Bachelin, Corinne   +9 more
core   +3 more sources

Total-liver-volume perfusion CT using 3-D image fusion to improve detection and characterization of liver metastases [PDF]

open access: yes, 2008
The purpose of this study was to evaluate the feasibility of a totalliver- volume perfusion CT (CTP) technique for the detection and characterization of livermetastases.
Kuijk, Cornelis van   +5 more
core   +3 more sources

Protective effect of leukotriene receptor antagonist montelukast on smoking-induced lung injury in Wistar rats. [PDF]

open access: yes, 2003
Increased activation of alveolar macrophage, neutrophil and mast cell has been proven in cigarette smoking (CS)-related lung disorders (CSLD). An increased production of cysteinyl-leukotrienes (LTs), which are mediators secreted from the mentioned cells,
Coskun, Senol   +3 more
core   +1 more source

Delineating neuroinflammation, parasite CNS invasion, and blood-brain barrier dysfunction in an experimental murine model of human African trypanosomiasis [PDF]

open access: yes, 2017
Although Trypanosoma brucei spp. was first detected by Aldo Castellani in CSF samples taken from sleeping sickness patients over a century ago there is still a great deal of debate surrounding the timing, route and effects of transmigration of the ...
Bradley, Barbara   +2 more
core   +1 more source

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