Neuroembryology and brain malformations: an overview.
Harvey B Sarnat1, Laura Flores-Sarnat
1Departments of Clinical Neurosciences and Paediatrics, Division of Paediatric Neurology, University of Calgary, Alberta Children's Hospital, Calgary, Canada.
Handbook of Clinical Neurology
|April 30, 2013
Summary
Modern neuroembryology combines development, molecular genetics, and cell markers to understand nervous system malformations. Advances in neuroimaging and neuropathology aid in diagnosing and understanding these complex developmental disorders.
Area of Science:
- Developmental Neuroscience
- Neuroembryology
- Molecular Genetics
Background:
- Nervous system development involves complex molecular and cellular processes.
- Malformations often arise from disruptions in normal developmental pathways.
- Understanding these disruptions is crucial for diagnosing and treating neurological disorders.
Purpose of the Study:
- To provide an integrated overview of modern neuroembryology.
- To explain the developmental basis of nervous system malformations.
- To highlight the role of advanced diagnostic techniques.
Main Methods:
- Integration of descriptive morphogenesis with molecular genetic data.
- Utilizing cell-specific tissue markers for histogenesis.
- Employing advanced neuroimaging and neuropathological techniques.
Main Results:
- Malformations result from aberrations in genetic expression, segmentation, cell lineage, migration, axonal pathfinding, synaptogenesis, or myelination.
- Neuroimaging allows in utero and early-life diagnosis of macroscopic brain abnormalities.
- Neuropathology reveals microscopic and subcellular details, complementing imaging.
Conclusions:
- Nervous system malformations are best understood as disruptions of normal developmental processes.
- Advanced imaging and pathology enable precise diagnosis and understanding of perinatal neurological diseases.
- Precise terminology is essential for effective scientific communication in neuroembryology.
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