Bihemispheric Brain Cutting
Bihemispheric Brain Cutting - Related Videos
08:29
Symmetric Bihemispheric Postmortem Brain Cutting to Study Healthy and Pathological Brain Conditions in Humans
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Cited by 7 •
2016
Organized brain cutting procedures are necessary to correlate specific neuropsychiatric phenomena with definitive neuropathologic diagnoses. Brain cuttings are performed differently based on various clinico-academic contingencies. This protocol describes a symmetric bihemispheric brain cutting procedure to investigate hemispheric differences in human brain pathologies and to maximize current and future biomolecular/neuroimaging techniques.
03:46
Symmetric Bihemispheric Sectioning of the Human Postmortem Brain
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2025
The video demonstrates a step-by-step procedure for symmetrically dissecting a fixed postmortem human brain, preparing smaller tissue blocks for further analysis.
10:11
Collection and Long-Term Maintenance of Leaf-Cutting Ants (Atta) in Laboratory Conditions
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Cited by 6 •
2022
Here, a protocol is described to successfully collect and maintain healthy Atta (Hymenoptera: Formicidae) ant colonies in laboratory conditions. Additionally, different nest types and configurations are detailed together with possible experimental procedures.
01:08
Brick Cutting Techniques
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2024
Brick-cutting techniques involve various tools and methods to shape bricks for construction. A mason's hammer with a chisel-pointed end is used for basic shaping through sharp, precise strikes. For more complex shapes requiring higher precision, a power saw with a water-cooled diamond blade is used. Cut bricks are categorized by size. Bricks cut to half their original length are called half-bats, while those cut to three-fourths their length are known as three-fourth bats. Special types of cut...
01:17
Cut-off Frequency of BJT
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2024
Cut-off frequencies in Bipolar Junction Transistors (BJTs) mark the transition between the signal's pass band and stop band, influencing their performance in amplifying or attenuating frequencies. These frequencies are crucial for designing BJTs to meet specific operational requirements in electronic circuits. Alpha Cut-Off Frequency: Pertinent to the common-base configuration, the alpha cut-off frequency defines the upper-frequency limit at which the current gain, alpha, remains stable. As...
FAQs
Consistent anatomical planes preserve the spatial relationships among cortical regions, white matter, deep nuclei, ventricles, and other internal structures. This organization allows abnormalities to be located within their surrounding anatomy rather than viewed as isolated findings. Using comparable planes across specimens also strengthens documentation and makes structural observations easier to compare in neuropathological and research settings.
Examining both cerebral hemispheres provides a broader structural basis for identifying and comparing abnormalities across the brain. Bilateral sectioning supports systematic review of each hemisphere while maintaining the relationship between visible lesions and neighboring tissues. This can help investigators document whether findings are localized within particular regions or considered in relation to the brain as a whole.
The resulting slices can expose the cortex, white matter, deep nuclei, ventricles, and other internal regions. Seeing these structures in their anatomical context helps connect gross findings with the locations of suspected disease or injury. The approach therefore supports examination of both surface and deeper brain features without losing the spatial organization needed for interpretation.
The procedure begins with an intact brain and a planned cutting strategy designed around consistent anatomical planes. Sections are then produced so that internal regions become visible while their spatial relationships remain interpretable. Careful planning and standardized sectioning improve the quality of documentation, facilitate systematic examination, and help make observations comparable among different specimens.
In medicine, the method is used during postmortem examination to investigate brain structure and characterize visible lesions. It can also guide tissue sampling by exposing regions that require closer study. These uses allow gross anatomical findings to be documented alongside selected tissue specimens, supporting investigation of neurological disease beyond what surface inspection alone can show.
The technique helps correlate visible abnormalities with conditions such as neurodegeneration, tumors, and vascular injury. By displaying affected structures in consistent anatomical relationships, it supports comparison between specimens and improves the record of disease-associated changes. Its value lies in connecting gross brain findings with neuropathological investigation, rather than treating lesions as disconnected observations.