Results 41 to 50 of about 230,318 (346)

Brainstem tumors: Current management and future directions

open access: yesIndian Journal of Neurosurgery, 2012
Tumors arising in the brainstem comprise 10–20% of all pediatric central nervous system (CNS) tumors and account for a small percentage in adults. The prognosis for these tumors was considered uniformly poor prior to the era of modern neuroimaging and ...
Pablo F. Recinos   +3 more
doaj   +1 more source

MRI and clinical characteristics of suspected cerebrovascular accident in nine cats [PDF]

open access: yes, 2017
Objectives Cerebrovascular accidents (CVAs) are infrequently reported in cats. To date, clinical characteristics, including lesion localisation and MRI findings, have only been reported in two cats.
Beltran, E, Drees, R, Wittaker, D E
core   +2 more sources

Immunohistochemical Distribution of Serotonin Transporter (SERT) in the Optic Lobe of the Honeybee, Apis mellifera

open access: yesAnimals, 2022
Visual information is processed in the optic lobes, which consist of three retinotopic neuropils. These are the lamina, the medulla and the lobula. Biogenic amines play a crucial role in the control of insect responsiveness, and serotonin is clearly ...
Cristiano Bombardi   +6 more
doaj   +1 more source

An Intact Kidney Slice Model to Investigate Vasa Recta Properties and Function in situ [PDF]

open access: yes, 2012
Background: Medullary blood flow is via vasa recta capillaries, which possess contractile pericytes. In vitro studies using isolated descending vasa recta show that pericytes can constrict/dilate descending vasa recta when vasoactive substances are ...
Agmon Y   +51 more
core   +2 more sources

A comparative analysis of hair morphology of wild and domestic ungulate prey species of Leopard Panthera pardus fusca (Mammalia: Carnivora: Felidae) from Goa, India

open access: yesJournal of Threatened Taxa, 2019
Guard hairs were collected from four live domesticated ungulate species and shed guard hairs of six wild ungulate species from zoo captive animals from five individuals each.
Bipin S. Phal Desai   +2 more
doaj   +1 more source

It is not only fluids: the impact of hydration protocols used for the prevention of contrast nephropathy on renal oxygenation

open access: yesRenal Failure
Fluid administration is the mainstay intervention effective in the prevention of radiocontrast-associated nephropathy (CAN) in high-risk patients. Vigorous hydration shortens intratubular solute transit-time and reduces tubular intraluminal concentration
Samuel N. Heyman   +2 more
doaj   +1 more source

Median nerve SEP after a high medullary lesion: preserved N18 and absent P14 components (case report) [PDF]

open access: yesArquivos de Neuro-Psiquiatria, 1999
Median nerve SEPs recorded from a patient with a high medullary lesion are described. The lesion involved the anteromedial and anterolateral right upper third of the medulla, as documented by MRI.
G. M. MANZANO   +4 more
doaj   +1 more source

Symptomatic Vascular Compression of Brainstem May Be Managed Conservatively

open access: yesLife, 2022
Medulla compression from vertebral artery abnormality is a very rare occurrence with few cases present in the literature. It has been documented to present with a very wide spectrum of clinical symptomatology ranging from asymptomatic to full hemiplegia.
Malik Ghannam   +4 more
doaj   +1 more source

Noninvasive vagus nerve stimulation alters neural response and physiological autonomic tone to noxious thermal challenge. [PDF]

open access: yes, 2019
The mechanisms by which noninvasive vagal nerve stimulation (nVNS) affect central and peripheral neural circuits that subserve pain and autonomic physiology are not clear, and thus remain an area of intense investigation.
Baker, Dewleen G   +13 more
core   +2 more sources

Hair histology as a tool for forensic identification of some domestic animal species

open access: yes, 2018
Animal hair examination at a criminal scene may provide valuable information in forensic investigations. However, local reference databases for animal hair identification are rare.
Ahmed, Yasser A.   +2 more
core   +1 more source

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