PMID: 3762221Aug 1, 1986Paper

Utilization of a polyethylene enclosure for nerve tracing studies in the rat ovary

Journal of Neuroscience Methods
D L McNeillH W Burden

Abstract

A commonly used technique for mapping neuronal connections in the peripheral nervous system involves the injection of a tracer substance into a peripheral organ. The tracer is taken up by nerve terminals at the injection site and transported retrogradely to motor or sensory perikarya where it can be visualized. One of the pitfalls of this technique is that tracer may leak from the injection site, enter nerve terminals adjacent to the injection area and thus cause erroneous interpretations. Similarly, some tracers may enter blood vessels and be taken up by nerve cell bodies indiscriminately. In order to circumvent these potential problems in studies on the innervation of the rat ovary, a polyethylene enclosure for the organ was fabricated from a BEEM capsule. The retrograde tracer, True blue, was then applied topically on the ovarian surface inside the enclosure. In chronic experiments, specifically labeled ovarian nerve cell bodies were identified in dorsal root and preaortic ganglia. Utilization of this simple and effective enclosure eliminates the false-positive and non-specific labeling of perikarya due to diffusion and blood-borne transport of the tracer from the injection area.

References

Dec 1, 1983·The Anatomical Record·H W BurdenI E Lawrence
Jan 1, 1980·The Anatomical Record·I E Lawrence, H W Burden

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Citations

Jul 1, 1987·The American Journal of Anatomy·D L McNeill, H W Burden

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