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[Development of the vascular system in brain hemispheres in developing rats]
K A Shoshenko1, I M Korostyshevskaia, M N Nosova
1Institute of Physiology of the Russian Acad. Med. Sci., Siberian Branch, Novosibirsk.
Rossiiskii Fiziologicheskii Zhurnal Imeni I.M. Sechenova
|September 22, 1998
Summary
The cerebro-cortical vascular bed develops its unique functions within 3-4 weeks after birth. This study digitally reconstructed blood flow in rat models to understand this critical developmental period.
Area of Science:
- Physiology
- Biomedical Engineering
- Neuroscience
Context:
- The development of the cerebro-cortical vascular bed is crucial for brain function.
- Understanding the hemodynamic changes during early development is essential for identifying potential pathologies.
Purpose:
- To digitally reconstruct the blood passage from major arteries to veins in developing Wistar rats.
- To analyze hydraulic pressure, blood flow velocity, wall shear stress, and vascular resistance during postnatal development.
Summary:
- Postmortem studies of 2-week old, 1-month old, and adult Wistar rats were conducted.
- Digital reconstruction of vascular networks and hemodynamic parameters were performed.
- Findings indicate that the cerebro-cortical vascular bed achieves functional specificity around the 3rd-4th week after birth.
Impact:
- Provides insights into the developmental trajectory of cerebro-cortical vasculature.
- Establishes a foundation for future research on cerebro-vascular development and related disorders.
- Offers a quantitative understanding of hemodynamic changes during a critical neurodevelopmental window.