Results 31 to 40 of about 16,527 (190)

Peripapillary arterial circle of Zinn-Haller: location and spatial relationships with myopia. [PDF]

open access: yesPLoS ONE, 2013
PURPOSE: To measure histomorphometrically the location of the peripapillary arterial circle of Zinn-Haller (ZHAC) and assess its associations with axial length.
Jost B Jonas   +2 more
doaj   +1 more source

3D‐Printable, Honeycomb‐Inspired Tissue‐Like Bioelectrodes for Patient‐Specific Neural Interface

open access: yesAdvanced Materials, EarlyView.
3D printed MRI‐compatible tissue‐like neural electrodes tailored to individual gyral patterns. This honeycomb‐inspired printable gel electrode (HiPGE) employs a bioinspired architecture with soft hydrogels, engineered to match the softness of brain tissue.
Marzia Momin   +12 more
wiley   +1 more source

Posterior atlanto-occipital and atlanto-axial area and its surgical interest

open access: yesArquivos de Neuro-Psiquiatria, 2014
Classic anatomical studies describe two membranes – atlanto-occipital and atlanto-axial in the posterior aspect of the craniocervical region. During many surgical procedures in this area, however, we have not found such membranes.
Newton José Godoy Pimenta   +2 more
doaj   +1 more source

Study on Behind Helmet Blunt Trauma Caused by High-Speed Bullet

open access: yesApplied Bionics and Biomechanics, 2020
The mechanism of Behind Helmet Blunt Trauma (BHBT) caused by a high-speed bullet is difficult to understand. At present, there is still a lack of corresponding parameters and test methods to evaluate this damage effectively.
Zhihua Cai   +4 more
doaj   +1 more source

Analysis of Specific absorption rate in the human head model exposed to radiofrequency radiation [PDF]

open access: yesKragujevac Journal of Science, 2023
As mobile phones have become a necessity in modern society, and there is an increasing number of users of various ages, it is imperative to investigate the impact of mobile phone radiofrequency electromagnetic radiation (RF) on humans.
Milošević Marko M.   +5 more
doaj  

An Implanted Tooth That Can Feel

open access: yesAdvanced Science, EarlyView.
To endow the implanted tooth with masticatory perception, herein we demonstrate that a 3D‐printed piezoelectric‐core/robust‐sheath implanted tooth can rebuild the sensing feedback, serving as “mechanoreceptors” in converting the mechanical chewing force to electrical signals, and up to brain through surrounding alveolar nerve system.
Yaru Cao   +13 more
wiley   +1 more source

The universal existence of myodural bridge in mammals: an indication of a necessary function

open access: yesScientific Reports, 2017
The “myodural bridge” was described in literatures as a dense fibrous tissue connecting the sub-occipital musculature with the spinal dura mater in human studies.
Nan Zheng   +8 more
doaj   +1 more source

GHRHR Deficiency Enhances Retinal Ganglion Cell Survival and Visual Functions in Experimental Glaucoma by Inhibiting Ferroptosis

open access: yesAdvanced Science, EarlyView.
Glaucoma, a major cause of blindness, involves retinal ganglion cell (RGC) degeneration. This study shows growth hormone‐releasing hormone receptor (GHRHR) deficiency preserves RGC survival and restores vision, unlike activation which only aids survival.
Yan Tong   +24 more
wiley   +1 more source

Ultrasound Activated Piezoelectric Dural Patches to Drive Endogenous Neural Stem Cell–Mediated Repair Traumatic Brain Injury

open access: yesAdvanced Science, EarlyView.
This study presents a wireless, non‐invasive strategy for neural repair by developing a biodegradable piezoelectric dural patch that, under transcranial ultrasound, generates localized electrical fields to drive endogenous neural stem cells toward neuronal differentiation and functional integration.
Pengbo Zhou   +7 more
wiley   +1 more source

Biomechanical adaptation of the cervical dura mater: a matched comparison of fresh and embalmed specimens

open access: yesFolia Morphologica
BACKGROUND: This study aimed to quantify the biomechanical strain of the human cervical spinal dura mater in physiological positions and to directly evaluate the altering effects of formaldehyde embalming.
Han Yang   +8 more
doaj   +1 more source

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