Cortical Trabecular Interaction
Cortical Trabecular Interaction - Related Videos
09:03
Trabecular Meshwork Response to Pressure Elevation in the Living Human Eye
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2015
Trabecular meshwork (TM) migration into Schlemm’s canal space can be induced by acute pressure elevation by ophthalmodynamometer, and observed by spectral domain optical coherence tomography. The goal of this method is to quantify the morphometric response of the living outflow tract to acute pressure elevation in living tissues in situ.
09:36
Outer-Boundary Assisted Segmentation and Quantification of Trabecular Bones by an Imagej Plugin
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2018
We present a workflow for segmenting and quantifying trabecular bones for 2D and 3D images based on the bone's outer boundary using an ImageJ plugin. This approach is more efficient and accurate than the current manual hand-contouring approach, and provides layer-by-layer quantifications, which are not available in current commercial software.
11:25
Isolation and Culture of Mouse Cortical Astrocytes
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2013
Astrocytes have been recognized to be versatile cells participating in fundamental biological processes that are essential for normal brain development and function, and central nervous system repair. Here we present a rapid procedure to obtain pure mouse astrocyte cultures to study the biology of this major class of central nervous system cells.
08:49
Visualization of Cortical Modules in Flattened Mammalian Cortices
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Cited by 27 •
2018
This article describes a detailed methodology to obtain flattened tangential sections from mammalian cortices and visualize cortical modules using histochemical and immunohistochemical methods.
09:45
In vivo Imaging of Deep Cortical Layers using a Microprism
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Cited by 11 •
2009
Right-angle microprisms inserted into the mouse neocortex allows for deep imaging of multiple cortical layers with a viewpoint typically found in slice. One-millimeter microprisms offer a wide field-of-view (~900 μm) and spatial resolutions sufficient to resolve dendritic spines. We demonstrate layer V neuronal imaging and neocortical vascular imaging using microprisms.
FAQs
The interaction is governed by more than the amount of bone present. Cortical and trabecular stiffness determine how much force each region can carry, while trabecular architecture and connectivity influence how stresses travel through the interior. The interface then mediates transfer between the two regions, so changes in any of these features can alter the overall mechanical response.
Stiffness mismatch is important because it changes load transfer between native bone and an implant. If an implant does not match the mechanical behavior of surrounding tissue, the distribution of forces can shift away from bone, creating stress shielding. Evaluating cortical and trabecular contributions together helps engineers seek load sharing that better resembles the native structure.
A combined model accounts for the distinct mechanical contributions of the outer shell and interior network. It can represent how trabecular architecture, connectivity, and the interface influence stress distribution rather than assigning structural behavior only to the cortical region. This broader representation supports more informative analyses of bone mechanics, implant loading, and fracture risk.
An engineering assessment can represent the cortical shell and trabecular interior as interacting regions, then incorporate their stiffness, architecture, connectivity, and interface behavior. The model can evaluate how applied forces transfer between regions and how stresses distribute through the structure. Comparing these results across bone or design conditions helps identify changes in mechanical performance.
Implant design can use this interaction to evaluate whether device stiffness supports appropriate load transfer into surrounding bone. Matching implant stiffness more closely to native bone may help preserve participation by both cortical and trabecular regions, while reducing stress shielding. The resulting design objective is improved mechanical compatibility rather than simply maximizing implant stiffness.
For scaffolds, the interaction provides a framework for considering how scaffold stiffness and structure may work with the surrounding cortical and trabecular regions. In fracture-risk assessment, examining these regions together can reveal how architecture, connectivity, and force transfer affect mechanical behavior. These applications connect structural modeling with decisions about stability and load distribution.