doi: 10.1016/0304-3940(87)90175-3.
The levator auris longus muscle of the mouse: a convenient preparation for studies of short- and long-term presynaptic effects of drugs or toxins
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- PMID: 2962016
- DOI: 10.1016/0304-3940(87)90175-3
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The levator auris longus muscle of the mouse: a convenient preparation for studies of short- and long-term presynaptic effects of drugs or toxins
Neurosci Lett.
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Abstract
We describe here the levator auris longus muscle of the mouse as a convenient neuromuscular preparation for the in vitro study of presynaptic effects of drugs and toxins applied in vivo in young or adult mice. The good visibility of its motor axons and terminals using Nomarski optics allows accurate electrophysiological studies of presynaptic signals. In addition, the levator auris longus muscle is sufficiently thin to be stained as a whole mount preparation. Preliminary results indicate that some correlation can be established between changes in time course of the presynaptic signal and the morphology of motor endings after poisoning the levator auris longus muscle with botulinum type A toxin.
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