Construction of Bilateral Cannulas, Obturators, and Caps
2:49
Construction of Microinjectors
4:10
Animal Maintenance and Vaginal Smears
5:31
Microinjection of TTX or Vehicle Solutions into Freely Moving Rats
7:27
Tissue Processing
8:44
Results: Percentage of Ovulating Animals and Median of the Number of Ova Shed after Microinjection with Artificial Cerebrospinal Fluid (ACSF) or Tetrodotoxin (TTX)
10:08
Conclusion
필기록
This protocol allows researchers to explore the nuclei of the neuronal circuits that regulates ovulation in female mammals at specific times of their estrous cycle.This technique can be adapted to study any process on the regulation of the brain i
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This protocol describes the construction of a low-cost microinjection system, its stereotaxic implantation into deep-brain structures and the procedure for timed microinjections of tetrodotoxin in awake and unrestrained rats. The goal is to reveal the participation of hypothalamic structures in the regulation of ovulation by inhibiting their neural activity.