INITIALIZATION
Knowledgebase: ki-dev-large
Base Query: The text elaborates on the muscle spindles found throughout striated muscles in the body. Please provide a comprehensive explanation of what muscle spindles are, how they function, and their role in the feedback loops for proprioceptive signals. Also, include how gamma motor neurons regulate the sensitivity of muscle spindles.
Model: gemini-1.5-pro-preview-0409
Use Curl?: 
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