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Specialty: Anatomy
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Total 109 results found since Jan 2013.
Comprehensive voxel-wise, tract-based, and network lesion mapping reveals unique architectures of right and left visuospatial neglect
AbstractVisuospatial neglect is a common, post-stroke cognitive impairment which is widely considered to be a disconnection syndrome. However, the patterns of disconnectivity associated with visuospatial neglect remain unclear. Here, we had 480 acute stroke survivors [age = 72.8 (SD = 13.3), 44.3% female, 7.5 days post-stroke (SD = 11.3)] undertake routine clinical imaging and standardised visuospatial neglect testing. The data were used to conduct voxel-wise, tract-level, and network-level lesion-mapping analyses aimed at localising the neural correlat es of left and right egocentric (body-centred) and alloc...
Source: Anatomy and Embryology - September 11, 2023 Category: Anatomy Source Type: research
Edaravone dexborneol alleviates cerebral ischemia-reperfusion injury through NF- κB/NLRP3 signal pathway
In conclusion, this study indicates that C.EDA alleviates I/R injury by blocking the activation of the NLRP3 inflammasome and regulating the polarization of M1/M2 microglia via the NF-κB signal pathway.PMID:37475155 | DOI:10.1002/ar.25296
Source: Anatomical Record - July 21, 2023 Category: Anatomy Authors: Guanghong Shen Chengjian Lou Qunfeng Li Bingxin Zhao Yuhuan Luo Fei Wu Dian Jiao Marong Fang Yu Geng Source Type: research
Anatomy of the pontine arteries and perforators of the basilar artery in humans
J Anat. 2023 Jul 6. doi: 10.1111/joa.13927. Online ahead of print.ABSTRACTCerebral blood flow constitutes a critical area of interest for neurologists, neurosurgeons, and interventional radiologists as a social burden related to ischemic stroke, hemorrhagic stroke, and vascular dementia is expected to intensify. There is a great need to develop new and effective therapies, therefore deepening understanding of cerebrovascular anatomy, physiology, and pathology is crucial. The main aim of the study was to develop a comprehensive classification of the pontine arteries considering their typology, relations to the cranial nerve...
Source: Journal of Anatomy - July 7, 2023 Category: Anatomy Authors: Magdalena Kwiatkowska Rados ław Rzepliński Bogdan Ciszek Source Type: research
Masticatory myology of the llama (Lama glama, Camelidae) and comparisons with other camelids and euungulates
J Anat. 2023 Jun 8. doi: 10.1111/joa.13891. Online ahead of print.ABSTRACTCamelids are the only living representatives of the Suborder Tylopoda, and present a unique set of osteo-myological masticatory features, differing from all other extant euungulates. They combine selenodont dentition and rumination with a fused symphysis, and roughly plesiomorphic muscle proportions. Despite its potential relevance as an euungulate model in comparative anatomy studies, the available data is strikingly scarce. The present study represents the first description of the masticatory muscles of a Lamini, analyzing the functional morphology...
Source: Journal of Anatomy - June 8, 2023 Category: Anatomy Authors: Marcos D Ercoli Alicia Álvarez S Roc ío Moyano Source Type: research
Brain structural and functional correlates of the heterogenous progression of mixed transcortical aphasia
This study offers a fresh perspective of MTCA through the lens of modern neuroscience and unveils novel insights into the neural underpinnings of repetition.
Source: Anatomy and Embryology - May 31, 2023 Category: Anatomy Source Type: research
SHRSP5/Dmcr rats fed a high-fat and high-cholesterol diet develop disease-induced sarcopenia as nonalcoholic steatohepatitis progresses
CONCLUSIONS: This study suggests that SHRSP5/Dmcr rats could be a useful novel model for investigate the mechanism of secondary sarcopenia disorder associated with nonalcoholic steatohepatitis.PMID:37209870 | DOI:10.1016/j.aanat.2023.152104
Source: Annals of Anatomy - May 20, 2023 Category: Anatomy Authors: Shusei Yamamoto Koki Honma Moe Fujii Mai Kakimoto Sora Kirihara Hinako Nakayama Kazuya Kitamori Ikumi Sato Satoshi Hirohata Shogo Watanabe Source Type: research
The right uncinate fasciculus supports verbal short-term memory in aphasia
AbstractVerbal short-term memory (STM) deficits are associated with language processing impairments in people with aphasia. Importantly, the integrity of STM can predict word learning ability and anomia therapy gains in aphasia. While the recruitment of perilesional and contralesional homologous brain regions has been proposed as a possible mechanism for aphasia recovery, little is known about the white-matter pathways that support verbal STM in post-stroke aphasia. Here, we investigated the relationships between the language-related white matter tracts and verbal STM ability in aphasia. Nineteen participants with post-str...
Source: Anatomy and Embryology - April 2, 2023 Category: Anatomy Source Type: research
The elusive metric of lesion load
AbstractOne of the widely used metrics in lesion-symptom mapping is lesion load that codes the amount of damage to a given brain region of interest. Lesion load aims to reduce the complex 3D lesion information into a feature that can reflect both site of damage, defined by the location of the region of interest, and size of damage within that region of interest. Basically, the process of estimation of lesion load converts a voxel-based lesion map into a region-based lesion map, with regions defined as atlas-based or data-driven spatial patterns. Here, after examining current definitions of lesion load, four methodological ...
Source: Anatomy and Embryology - March 22, 2023 Category: Anatomy Source Type: research
Unilateral developmental absence of internal carotid artery with contralateral middle cerebral artery occlusion
ConclusionsThis article highlights the importance of screening the head CT on bone window settings in case of the non-visualization of ICA to differentiate congenital absence from a steno-occlusive disease. It also illustrates the role of Magnetic resonance imaging (MRI) and MR Angiography (MRA) in demonstrating further possible vascular anomalies, structural brain malformations, and collateral circulation.
Source: Surgical and Radiologic Anatomy - January 27, 2023 Category: Anatomy Source Type: research
