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Neuromuscular Junction #1. Confocal Microscopy.
Skeletal muscle stained in red (desmin protein), and glial cells enveloping axons in green. Acetylcholine receptors are stained in blue (colocalization with desmin appears pink). At the neuromuscular junction the nerve terminal releases acetylcholine to elicit a contractile response of the muscle fiber.
From Laboratory Felipe Court. www.courtlab.cl