Final answer:
The hippocampus is the structure in the limbic system involved in storing memories and developing long-term memories.
Step-by-step explanation:
The structure in the limbic system involved in storing memories and developing long-term memories is the hippocampus. The hippocampus plays a crucial role in encoding, consolidating, and retrieving memories. It receives information from various regions of the brain and helps form connections between different aspects of a memory.
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