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A rapid technique for visualizing cerebral arteries in rat.

W F McDaniel1, J C Tucker

  • 1Department of Psychology, Georgia College, Milledgeville 31061.

Behavioral and Neural Biology
|November 1, 1992
PubMed
Summary

A novel intracardiac perfusion technique using cresyl violet acetate effectively visualizes the middle cerebral artery

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Area of Science:

  • Neuroscience
  • Vascular Anatomy
  • Histology

Background:

  • Accurate visualization of cerebral vasculature is crucial for understanding neurological conditions like stroke.
  • Existing histological techniques may not always clearly delineate specific arterial territories.

Purpose of the Study:

  • To present a new method for visualizing the arterial blood supply to the central hemispheres in rodents.
  • To highlight the utility of this technique for studying the middle cerebral artery and its supplied regions.

Main Methods:

  • Intracardiac perfusion of the brain using cresyl violet acetate.
  • Dissolving the dye in a mixture of 0.9% isotonic saline and dimethyl sulfoxide (DMSO).
  • Observation of the arterial ramifications and supplied areas, particularly the middle cerebral artery.

Main Results:

  • The technique successfully visualized the arterial blood supply to the central hemispheres.
  • Detailed visualization of the middle cerebral artery's course and its distal territories was achieved.
  • Significant individual variations in arterial branching patterns and supplied areas were noted.

Conclusions:

  • Intracardiac perfusion with cresyl violet acetate is a valuable method for visualizing rodent cerebral arterial anatomy.
  • This technique aids in demonstrating the middle cerebral artery's distribution and variations.
  • It serves as a potential adjunct to neurohistological methods for stroke research in rodent models.

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